WO2018101577A1

WO2018101577A1 - Data conversion device for artificial tooth processing and artificial tooth design method using same

Info

Publication number: WO2018101577A1
Application number: PCT/KR2017/009372
Authority: WO
Inventors: 문정본; 김태훈; 이중수; 남진현; 최승완; 임채영; 안혜정
Original assignee: 주식회사 디디에스
Priority date: 2016-11-29
Filing date: 2017-08-28
Publication date: 2018-06-07

Abstract

According to an embodiment of the present invention, provided is an artificial tooth design method using a data conversion device for artificial tooth processing, the method being for driving a data conversion device for artificial tooth processing and comprising the steps of: receiving scan data from an oral scanner; displaying a two-dimensional image for the upper jaw and/or the lower jaw of a full arch on the basis of the scan data; displaying an upper jaw and a lower jaw model of a three-dimensional full arch; detecting an area to be treated on the basis of the scan data; and designing a prosthesis to be installed in the area to be treated.

Description

Artificial tooth processing data converter and artificial tooth design method using the same

The present invention relates to a data conversion device for artificial tooth processing and an artificial tooth design method using the same.

Impression acquisition in the dental prosthetic manufacturing process is an important clinical process that is popular in impression materials for the oral cavity and tissue condition to establish the diagnosis and future treatment plan of patients or to produce accurate prostheses. The general impression acquisition method requires the skilled clinical skills of the operator to select the appropriate impression material according to the procedure and to accurately capture the impression. Impression acquisition process may be inevitably repeated due to various factors such as impression body deformation due to the wrong selection or use of impression material, vomiting reaction of patient, opening disorder, etc. In addition, even in the step of manufacturing the plaster model after the impression acquisition, errors in the production of the dental prosthesis may be caused by the limitation and wear of the fine parts reproduced by the material. Therefore, research is being conducted to automate the use and the design and production of computers for the design or processing of dental prostheses by hand.

An object of the present invention is to provide a data conversion device for scanning the shape of the teeth through the oral scanner, and using the scan data to design the prosthesis and the virtual milling of the prosthesis to generate design data for the production of precise artificial teeth .

In addition, an object of the present invention is to provide a data conversion apparatus for artificial tooth processing that allows the operator to quickly and easily recognize when there is an unacquired scan area.

It is also an object of the present invention to provide a data conversion apparatus for artificial tooth processing that can display accurate data using a three-dimensional teeth image of the actual patient.

It is also an object of the present invention to provide a data conversion device for artificial tooth processing that can solve the problem that the patient's natural arch arch information and treatment information can not be scheduled for future treatment and prevention.

In addition, an object of the present invention is the region-specific three-dimensional model alignment error and data processing time that occurs when generating a three-dimensional model by continuously photographing the subject for each region and stitching them when generating a three-dimensional image of the conventional subject The present invention provides a three-dimensional scanner and a data conversion device using the same that can solve the delay problem.

Embodiments of the present invention include receiving scan data from an oral scanner; Displaying at least one two-dimensional image of the maxilla or mandible of the full arch based on the scan data; Displaying the maxillary and mandibular models of the three-dimensional grass arch; Detecting an area to be treated based on the scan data; And designing a prosthesis to be installed in the treatment target region. The artificial tooth design method using the artificial tooth processing data conversion device may be provided.

In addition, the maxillary and mandibular models of the 3D full arch may provide an artificial tooth design method using the same data processing apparatus for artificial tooth processing as the maxillary and mandibular structures of the patient's full arch.

The oral cavity scanner may also provide an artificial tooth design method using an artificial tooth processing data converting apparatus, which receives an omnidirectional image having a specific angle of view according to a refractive index.

The detecting of the treatment target region based on the scan data may include extracting and displaying the treatment target region; And it may provide a method for designing an artificial tooth using a data conversion device for artificial tooth processing, including; and displaying the list if the plurality of treatment areas.

In addition, storing the treatment target area; And updating the scan data by designing a prosthesis in the region to be treated, and providing a method for designing an artificial tooth using a data conversion apparatus for artificial tooth processing.

The method may also provide a method for designing an artificial tooth using a data conversion apparatus for artificial tooth processing, further comprising: detecting caries, color, and damage of a tooth from a two-dimensional image based on the scan data.

In addition, extracting the dental structure information of the patient from the maxillary and mandibular model of the three-dimensional full arch, it may also provide an artificial tooth design method using a data conversion device for artificial tooth processing, characterized in that it further comprises. .

In addition, the treatment target region may provide an artificial tooth design method using a data conversion apparatus for artificial tooth processing, characterized in that detected based on the image analysis of the scan data.

In addition, the treatment target region may provide an artificial tooth design method using a data conversion device for artificial tooth processing, characterized in that the selected region through the input device.

The designing of the prosthesis to be installed in the treatment target region may include generating a three-dimensional model of abutment, gum, etc. on the treatment target region based on the scan data; Selecting a prosthesis type based on the three-dimensional model; Selecting an area to design the prosthesis; Designing a prosthesis according to the type of the selected prosthesis; may provide an artificial tooth design method using a data conversion device for artificial teeth processing.

In addition, the step of selecting a prosthesis type based on the three-dimensional model, if there is a three-dimensional model of the existing tooth is loaded, or if there is no three-dimensional model of the existing tooth prosthesis design model library for each prosthetic type It may also provide an artificial tooth design method using a data conversion device for artificial tooth processing comprising a step of bringing.

The designing of the prosthesis to be installed in the treatment target area may include changing at least one of an angle, a size, a thickness, a shape, and a position of the prosthesis in consideration of a confrontation value and an adjacent value. It is also possible to provide an artificial tooth design method using a data conversion device for tooth processing.

The method may further include storing at least one of the scan data, the treatment target region, the prosthesis, and the updated scan data in association with personal information of a patient. It can also provide

In addition, a plurality of the treatment target region may provide an artificial tooth design method using an artificial tooth processing data conversion device, characterized in that the list is displayed by the priority of the treatment.

In addition, the tooth, color, caries, damage information of the tooth from the two-dimensional image based on the scan data is detected, and the dental structure data conversion apparatus for detecting the tooth structure information from the three-dimensional image based on the scan data It may also provide an artificial tooth design method using.

In addition, the color of the prosthesis may provide an artificial tooth design method using a data conversion device for artificial tooth processing, characterized in that selected based on the tooth color information.

In addition, the designed prosthesis data may be transmitted to a milling device or a printing device to provide an artificial tooth design method using an artificial tooth processing data conversion device, characterized in that the artificial tooth is manufactured.

The receiving of the scan data from the oral cavity scanner may include: irradiating a light pattern onto a subject; Receiving an omnidirectional image of the subject to which the light pattern is irradiated; And generating scan data based on the received omnidirectional image. The method may further include providing an artificial tooth design method using a data conversion apparatus for artificial tooth processing.

In addition, it is possible to provide an artificial tooth design method using a data conversion device for artificial tooth processing, characterized in that the time of irradiation of the light pattern and the time of receiving the omnidirectional image are synchronized with each other.

The irradiating the light pattern on the subject may include adjusting at least one of a driving time and a driving period of a light source between the light lines irradiated on the subject and the respective thicknesses, wherein the light pattern is colored. Alternatively, an artificial tooth design method using a data conversion device for artificial tooth processing, characterized in that a plurality of monochromatic patterns may be provided.

In another aspect, a communication device for receiving scan data from an oral scanner; An oral information detection unit detecting a treatment target region based on the scan data; And a data design program for generating a two-dimensional image of at least one of the maxilla or mandible of the full arch and the maxillary and mandibular models of the three-dimensional full arch based on the scan data, and designing a prosthesis to be installed in the treatment target area. It may also provide a data conversion apparatus for artificial tooth processing including a processor to execute.

In addition, the maxillary and mandibular models of the three-dimensional full arch may provide a data conversion apparatus for artificial tooth processing identical to the maxillary and mandibular structures of the patient's full arch.

In addition, the oral cavity scanner may provide a data conversion device for artificial tooth processing, characterized in that for receiving an omnidirectional image having a specific angle of view according to the refractive index.

In addition, the oral cavity information detection unit may provide an artificial tooth processing data conversion device, characterized in that for detecting the region to be treated from the scan data based on the grayscale information.

In addition, the data storage device for artificial tooth processing may further include a storage device for storing the updated scan data generated by updating the scan data by designing the treatment target region information and the prosthesis in the treatment target region.

In addition, the oral cavity information detection unit may provide a data conversion device for artificial tooth processing, characterized in that for detecting caries, color, damage of the teeth from the two-dimensional image based on the scan data.

In addition, the oral cavity information detection unit may provide a data conversion device for artificial tooth processing, characterized in that to extract the dental structure information of the patient from the upper and lower models of the three-dimensional full arch.

In addition, the oral cavity information detection unit may provide an artificial tooth processing data conversion device, characterized in that for detecting the treatment target region based on the image analysis of the scan data.

In addition, the treatment target region may provide a data conversion apparatus for artificial tooth processing, characterized in that the area set by the input device.

The processor may load a 3D model of an existing stored tooth based on the 3D model, or load a prosthesis design model library according to each prosthetic type when the 3D model of the existing stored tooth does not exist. A data conversion device for artificial tooth processing may be provided.

The processor may further include at least one of the scan data, the treatment target region, the prosthesis, and the updated scan data in the storage device in association with a patient's personal information. You can also provide

In addition, the processor may provide a data conversion apparatus for artificial tooth processing, wherein the plurality of treatment target areas are listed by the priority of treatment and displayed on the display device.

In addition, the oral cavity information detection unit detects the color, caries, damage information of the tooth from the two-dimensional image based on the scan data, the artificial structure characterized in that to detect the dental structure information of the teeth from the three-dimensional image based on the scan data It is also possible to provide a data conversion device for tooth processing.

In addition, the color of the prosthesis may provide a data conversion device for artificial tooth processing, characterized in that selected based on the tooth color information.

By designing the prosthesis through the data conversion device for artificial tooth processing of the embodiment of the present invention, by virtually milling the prosthesis, the limitations of reproducibility of materials such as alginate and rubber impression material used for general impression acquisition, and errors occurring during model production It has the effect of solving the problem of model and record keeping, the sensitivity of technique by manual operation, the problem of manufacturing standardization and improving the working environment.

In addition, the matching scan data for each of the three-dimensional maxillary and mandibles can be precisely registered in the occlusal state by using matching points of the matching scan data for each of the maxillary and the mandible and matching points of the buccal scan data.

In addition, accurate data may be displayed using actual 3D image data of a patient, not virtual 3D image data formed by matching a plurality of scan data, and oral information based on color information of teeth in the actual 3D image data. Can be collected.

In addition, by determining the color of the prosthesis based on the color information of the teeth in the actual three-dimensional image data, it is possible to increase the convenience of color determination of the prosthesis and to increase the satisfaction of the patient wearing the prosthesis.

In addition, the embodiment of the present invention can provide a data conversion device for artificial tooth processing that can be designed and processed more easily by creating a three-dimensional model identical to the actual oral structure of the patient and selecting the teeth need treatment. .

In addition, an embodiment of the present invention to provide a data conversion device for artificial tooth processing that can be reflected in the future prevention and treatment by monitoring and obtaining oral information such as dolseoks, cavities, interdental, color at the same time to generate a three-dimensional model. .

In addition, an embodiment of the present invention is to provide a data conversion apparatus for artificial tooth processing that can be reflected in the future prevention and treatment by detecting the unique characteristic information of the teeth from the two-dimensional image based on the scan data.

In addition, the oral cavity scanner of the embodiment of the present invention can generate a high-quality and highly accurate three-dimensional model by minimizing error occurrence and precision and resolution degradation caused by combining images of the existing oral 3D scanner.

In addition, the embodiment of the present invention can generate a three-dimensional model by quickly photographing without applying the powder for preventing light reflection to the oral cavity.

In addition, the embodiment of the present invention can shorten the photographing time of the tooth can significantly shorten the diagnosis and procedure planning and procedure time of teeth, bridges, dentures, correction, implants and the like.

In addition, the embodiment of the present invention can improve the operator's work efficiency without requiring the operator to precisely scan by minimizing the number of photographing of the subject, fast scan speed, and three-dimensional model correction by the rotation angle information. It is possible to solve the problem that the precision of the three-dimensional image due to the deviation between the plurality of captured images due to the artificial vibration, such as hand shaking or mechanical vibration.

In addition, the embodiment of the present invention can greatly increase the satisfaction of the patient and the operator who is the subject of the subject to the medical service by minimizing the time for diagnosis and diagnosis.

1 is a block diagram showing an apparatus for processing artificial teeth according to an embodiment of the present invention, an oral scanner capable of exchanging information with the data converting apparatus, and a milling apparatus, a printing apparatus, and a server apparatus as an artificial tooth processing apparatus. .

2 is a block diagram of devices constituting a data conversion device.

3 is a block diagram of a data conversion device for data signal processing;

4 is a block diagram of a data conversion apparatus for data signal processing according to another embodiment.

FIG. 5 schematically illustrates information about a photographed image, a panoramara image, a three-dimensional model, and a treatment region image and a treatment region displayed on the display device.

6 is a flowchart of prosthesis fabrication using a data conversion device.

7 is a detailed flowchart of the prosthesis design.

8A is a detailed flow diagram for selection of a prosthesis type.

8B is a detailed flow diagram for selection of a prosthesis type according to another embodiment.

9 is a configuration diagram of a data conversion apparatus operating in conjunction with a data design program.

10 shows a first occlusal region of the occlusal state of the maxillary and mandible and the corresponding maxillary and mandibular scan data;

11 illustrates a matching point on scan data.

12 is a view showing an image in which upper and lower jaw data is aligned.

13 is a view showing image data in which margin lines are formed.

FIG. 14 is a diagram illustrating area control lines and points on image data for adjusting the size of a prosthesis. FIG.

15 is a view showing a state in which a prosthesis is coupled to a tooth.

FIG. 16 is a view showing image data showing a degree of contact between a prosthesis and an adjacent value. FIG.

17 shows the surface of a prosthesis.

18 illustrates adjusting the occlusal surface of a prosthesis.

19 shows an indication of the thickness of a prosthesis.

20 is a view showing image data of a prosthesis coupled to a tooth.

Fig. 21 is a block diagram of components constituting a data conversion apparatus for data signal processing of virtual milling.

22 is a view showing a contact area between a prosthesis and a prosthesis;

23 shows internal information of a prosthesis.

24 shows a tool for processing a prosthesis and a prosthesis.

25 is a schematic illustration of an oral scanner that is part of an embodiment of the invention.

Fig. 26 schematically shows the positional relationship between the first lens of the image photographing apparatus and the second lens of the pattern generating apparatus.

27 shows an example of generating a line light pattern.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. Effects and features of the present invention, and methods of achieving them will be apparent with reference to the embodiments described below in detail together with the drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various forms. In the following embodiments, the terms first, second, etc. are used for the purpose of distinguishing one component from other components rather than a restrictive meaning. Also, the singular forms “a”, “an” and “the” include plural forms unless the context clearly indicates otherwise. In addition, the terms including or have means that the features or components described in the specification are present, and does not preclude the possibility of adding one or more other features or components. In addition, in the drawings, components may be exaggerated or reduced in size for convenience of description. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, and thus the present invention is not necessarily limited to the illustrated.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be denoted by the same reference numerals, and redundant description thereof will be omitted. .

1 is a block diagram showing an apparatus for processing artificial teeth according to an embodiment of the present invention, an oral scanner capable of exchanging information with the data converting apparatus, and a milling apparatus, a printing apparatus, and a server apparatus as an artificial tooth processing apparatus. to be.

Data conversion device 200 is a program that can design a prosthesis

A virtual milling program for implementing the ram and milling simulation means can be installed.

The data conversion apparatus 200 may include a computer-aided design (CAD) system 200a and a computer-aided manufacturing (CAM) system 200b.

In describing the present invention, the CAD system 200a and the CAM system 200b are assumed to be integrated into one data conversion apparatus 200.

However, the present invention is not limited thereto and may be independent systems.

The CAD system 200a may design a prosthesis including a data design program to be described later, and the CAM system 200b may receive prosthesis data designed from the CAD system 200a to generate prosthesis manufacturing data. In addition, the CAM system 200b may form a processing path of the prosthesis through a virtual milling program, and transmit the formed processing path information and the prosthesis manufacturing data to an artificial tooth processing apparatus so that the prosthesis may be manufactured.

Wireless and / or wired communication may be applied between the data conversion apparatus 200 according to an embodiment of the present invention and other devices capable of exchanging data. For example, wireless communication methods such as wireless LAN (WLAN), Wi-Fi, Wibro, Wimax, and High Speed Downlink Packet Access (HSDPA) may be used. However, the present invention is not limited thereto, and according to a system implementation method, Universal Serial Bus, Ethernet, xDSL (ADSL, VDSL), Hybrid Fiber Coaxial Cable (HFC), Fiber to The Curb (FTTC), and Fiber (FTTH) Wired communication methods such as To The Home). In addition, short-range communication technologies such as Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and Near Field Communication (NFC) may be used.

Referring to FIG. 1, the data conversion apparatus 200 for artificial tooth processing according to an embodiment of the present invention receives scan data including oral cavity information detected from the oral cavity scanner 100, and stores the oral cavity based on the scan data. By designing a prosthesis to be installed in the treatment target area in the inside and transmitting the designed prosthesis data to the milling device 300 or the printing device 400, which is an artificial tooth processing device, the actual prosthesis can be manufactured.

In describing the present invention in detail, a prosthesis may mean an artificial substitute for one or more teeth or related tissues. For example, when a prosthesis is an implant, a material that serves as the root of a tooth, the prosthesis is an implant body inserted into the alveolar bone, an implant abutment connected to the implant body, and an implant abutment upper side. It may mean any one or all of the implant prosthesis (Crown) to cover the top of the artificial tooth to form the outer upper side. Also, prosthesis types include Inlay, Onlay, Crown, Laminate, Bridge, Coping, Implant, Denture, Surgical Guide Surgical guide.

The server device 500 may store various scan data. The server device 500 may store the 3D model data of the prosthesis design data or the oral cavity structure generated by the data conversion device 200 by having a function of an external storage device of the data conversion device 200. In addition, the server apparatus 500 may store scan data received from each of the oral cavity scanners provided at various places, or transmit the stored data to an external server. In addition, the data generated from the oral cavity scanner 100 may be stored in the server apparatus 500 without being transmitted to the data conversion apparatus 200.

The scan data generated by the oral cavity scanner 100 may be two-dimensional image data, three-dimensional model data, or may be a captured video. In addition, the data conversion apparatus 200 may receive scan data from the oral cavity scanner 100 and generate 3D model data therefrom.

2 is a block diagram of devices constituting a data conversion device, and FIG. 3 is a block diagram of a data conversion device for data signal processing.

2 and 3, the data conversion apparatus 200 according to the embodiment of the present invention includes a console device 210, a display device 220, a storage device 230, a communication device 240, and an input device ( 250 and processor 290.

The data conversion apparatus 200 may receive scan data generated from the oral cavity scanner 100 and design prosthetic data for treatment of a damaged part or a tooth defect in the oral cavity therefrom.

In addition, the data conversion apparatus 200 may receive the scan data including the oral cavity information of the patient stored in advance on the server device 500 without having to receive the scan data from the oral cavity scanner 100 and design prosthesis data based thereon. Can be.

In addition, the data conversion apparatus 200 receives the dry scan data from the server device 500 that previously stored the scan data generated in a healthy state of the oral cavity of the patient, and the current oral state of the patient from the oral scanner 100 The treatment target area may be detected by receiving scan data generated by scanning and comparing the received dry value scan data with the current scan data.

In addition, the data conversion device 200 compares the designed prosthesis data with dry scan data received from the server device 500. The data conversion apparatus 200 may also modify the prosthesis design so that the prosthesis is matched to the healthy tooth by comparing the prosthesis design with the healthy state corresponding to the treatment target area.

As such, the data conversion apparatus 200 may increase the accuracy of the prosthesis design according to the use of the patient's actual teeth, increase the speed of design work, and increase the satisfaction of the patient wearing the prosthesis.

The console device 210 may be configured in a movable form, may form an appearance of the data conversion device 200, and the display device 220 and the input device 250 may be coupled to each other, and the communication device 240 may be installed. The processor 290 may include a power supply. In addition, the console device 210 includes a power button, and when the operator operates the power button, the data conversion device 200 may be controlled to be driven. When the data conversion apparatus 200 is driven, the processor 290 may execute the data design program 1000 pre-installed in the data conversion apparatus 200.

When the data design program 1000 is executed, various contents provided by the data design program 1000 are displayed on the display device 220.

The data design program 1000 may include a data management unit 1100 capable of reading, writing, and modifying data stored in the storage device 230, a data converter 1200 capable of converting data into various formats, Patient registration management unit 1300, which registers, reads, writes and modifies various information of the patient in the storage device 230, matches the designed prosthesis data to patient information, stores the designed prosthesis data, and stores various types of prostheses. Prosthesis registration management unit 1400 for managing the data of the display, the display management unit 1500 for managing the various contents displayed on the display device 220, various design tools displayed on the display device 220 and input device ( It may include a design tool providing unit 1600 for executing various functions linked to the design tool according to the input from the 250.

The data manager 1100 may collect scan data received from the oral cavity scanner 100 and record the scan data in the storage device 230. The scan data stored in the storage device 230 may be read and image processing for the prosthesis design may be performed.

In addition, the data manager 1100 may classify scan data of the occlusal surface, scan data in the lingual direction, and scan data in the buccal direction for each tooth, and record the scanned data in the storage device 230.

The display manager 1500 may display the personal information registration content read from the storage device 230 on the display device 220, and the information received through the input device 250 on the blank provided by the personal information registration content. Can be recorded. In addition, the personal information registration content may provide a space for entering information for identifying a patient such as user information, date information, program identification numbering, and chart number of the data conversion apparatus 200. The input information may be classified by the data manager 1100 by category and recorded in the storage device 230. In addition, when the patient's information is written on the personal information registration content, the design data of the prosthesis to be applied to the patient may be linked to the patient's information and recorded in the storage device 230.

In addition, the personal information registration content retrieves the patient's information from the storage device 230 when the patient's information is input, and provides the prosthesis design information linked with the patient's information when the prosthesis design data linked to the retrieved patient exists. Can be displayed together.

In addition, the display management unit 1500 may display the prosthetic information registration content, the prosthetic information registration content displays a plurality of prosthetic information, and the type information of the prosthesis selected by the worker through the input device 250 to wear the corresponding prosthesis. Information of the scheduled patient may be recorded in the storage device 230 in association with each other.

In addition, the display management unit 1500 displays the personal information management content, and the correction icon, registration information deletion icon, export icon, design change icon, copy icon, interlocking icon, prosthetic information deletion icon provided by the design tool provider 1600 It can be displayed on (220).

When any one of the icons is selected through the input device 250, the processor 190 may perform various functions linked in advance. For example, when the edit icon is selected, the registered patient's information is modified and recorded in the storage device 230. When the delete registration information icon is input, at least one registered patient information is removed from the storage device 230, and exported. If the icon is selected, various file types can be changed and saved.If the design change icon is selected, the scanned prosthesis type and dentition can be changed, and the design can be started from the trim step after the change. When this is selected, the function of copying the selected prosthesis file is provided. When the interlocking icon is selected, the upper and lower prostheses can be simultaneously linked at the time of design. When the delete prosthetic information icon is selected, the selected prosthesis data can be removed.

In addition, when the interlocking icon is selected, the display manager 1500 may execute the previously executed design content and additional design content at the same time, and execute the interlocking design content to display the interworking design content. In addition, when there is no design content to be executed, the first and second design contents may be simultaneously executed to execute and display the interlocking design contents. The first design content may provide an environment for designing the upper jaw, the second design content may provide an environment for designing the mandible, and the interlocking design content may be manufactured in the first and second design contents, respectively. The maxillary and mandibular design data can be aligned with the image in an occlusal state to display the occlusion upper and lower jaw images.

In addition, the display manager 1500 may display a scan mode content execution icon provided by the design tool providing unit 1600, and scan mode content may be executed when the corresponding icon is selected through the input device 250. The scan mode content may provide an environment in which a real-time shot image image, a turned on image image, a single model three-dimensional data image, and a three-dimensional data synthesis preview image are simultaneously displayed.

In addition, the image taken through the oral scanner 100 may be displayed on the real-time shooting image screen, the image captured through the oral scanner 100 may be displayed on the captured image screen, the oral scanner 100 Scan information in the oral cavity is converted into a three-dimensional model by the data conversion apparatus 200 or a three-dimensional model generated in the oral scanner 100 can be displayed on the three-dimensional data screen, the data conversion apparatus 200 The 3D data synthesis screen may be displayed on the 3D data synthesis preview screen.

In addition, when the data conversion apparatus 200 displays a three-dimensional data image, if an area not acquired in the three-dimensional model exists, a non-detection area indicating that the area is not acquired is synthesized on the corresponding area to visually display the display device ( 220 may be displayed. This is because if the area of the 3D model is an unscanned area and the area is an important area, the accuracy of the 3D model may be greatly reduced. Therefore, the non-detected area is displayed visually, indicating that the operator needs additional scanning. It can be easily recognized. On the other hand, the visual expression of the non-detection area may be an area in which there is a visible color or other marks easily recognized by the operator.

4 is a configuration diagram of a data conversion apparatus for data signal processing according to another exemplary embodiment. FIG. 5 is a photographed image, a panoramic image, a three-dimensional model, and information about a treatment region and a treatment region displayed on a display device. It is shown schematically.

4 and 5, in the data conversion apparatus 200 according to another exemplary embodiment of the present invention, the processor 290 executes the data design program 1000 and operates the input apparatus 250 in association with the execution of the program. Oral information detection unit 1700 that can perform a variety of predetermined functions based on the input information through.

The data conversion apparatus 200 may display a photographed image of the upper and lower jaw scanned from the oral cavity scanner 100. The scan data of the maxillary and mandible from the oral cavity scanner 100 may be converted into a maxillary and mandibular panoramic image for display. In addition, the data conversion apparatus 200 generates and displays a 3D model of the maxillary and a mandible using scan data from the oral cavity scanner 100, or receives a 3D model of the maxillary and mandible generated by the oral cavity scanner 100. Can be displayed.

In addition, if scan data of the patient already exists, that is, at least one scan data of maxillary or mandible on the storage device 230 or the server device 500 may be read and displayed.

In addition, the scan data of the patient already exists, the treatment is completed from the plurality of teeth needing the treatment of the patient to design the required prosthesis in the storage device 230 or server device 500 in a state in which the corresponding prosthesis is synthesized in the scan data If stored, the saved data can also be displayed.

In addition, the oral information detection unit 1700 can automatically enlarge and display the treatment target area that needs treatment, and list and display when there are a plurality of treatment target areas, and identify the tooth such as the type of teeth or the number of teeth. Information can be displayed together.

In addition, the oral cavity information detection unit 1700 matches the position of each of the teeth in each of the upper and lower jaws with the position information of the teeth on the panoramic image and the position information of the teeth on the three-dimensional model, respectively, so that the operator can input the input device 250. If a specific area on the image displayed on the screen is selected, the selected area may be enlarged and displayed, and if there is a tooth in the selected area, information for identifying the tooth such as the type of the tooth or the number of the tooth may be displayed together or For example, when the selected region does not exist due to the lack of teeth, the information may be estimated by estimating the type of teeth or the number of teeth that should exist in the selected region based on the type of adjacent teeth or the number of teeth. .

In addition, the oral cavity information detection unit 1700 may detect oral cavity information from the scan data of each of the upper and lower jaw. Unique characteristic information may be included, and further, tooth state information such as tooth color, caries, tooth decay, tooth damage, and tooth defect may be included. More specifically, the unique characteristic information of the tooth may be detected from the three-dimensional model generated based on the scan data, and the state information of the tooth may be detected from the two-dimensional image generated based on the scan data. The two-dimensional image and the three-dimensional model data may be data generated by the oral cavity scanner 100 and transmitted to the data conversion apparatus 200, and scan data received by the data conversion apparatus 200 from the oral scanner 100. It may be data generated based on.

In addition, the oral cavity information detector 1700 may detect the dental region on the scan data of each of the upper and lower jaw. As an example of detecting the dental region, the dental region may be detected based on the gray level value of each pixel, but the present invention is not limited thereto, and the operator may manually display the dental region on the image through the input device 250. When the operator displays the oral cavity information detector 1700, the oral cavity information detection unit 1700 may store location information of the displayed area.

In addition, the oral cavity information detector 1700 may detect a treatment target region on the dental region.

The area to be treated refers to an area having a color different from the color of the surrounding teeth or the average color of teeth on the tooth area due to tooth damage such as caries or tooth decay, tooth defects, and the like.

As an example of a method for detecting a region to be treated, the dental region is divided into a plurality of regions in consideration of the average tooth size of each predetermined tooth type, and the gray values of each of the divided regions are grayscales of the adjacent region adjacent to the selected region. The treatment target region can be detected by detecting a region that differs from the value by more than a predetermined value. Alternatively, the treatment target region may be detected by detecting an average gray scale value of the dental region, and detecting a region having a difference between the average gray scale value and the gray scale value above the preset value. In addition, the present invention is not limited thereto, and the operator may divide and display the dental region of the image into a plurality of regions through the input device 250, and the oral cavity information detection unit 1700 may store position information of the divided regions.

In addition, the oral cavity information detection unit 1700 may enlarge and display the detected treatment target area and further display information on the type of teeth or the number of teeth. In addition, when there are a plurality of regions to be treated, the list may be displayed.

In addition, the oral cavity information detection unit 1700 detects an average grayscale value of the area excluding the treatment target area in the dental region and provides the prosthesis providing unit to be described later, and the prosthesis providing unit received from the oral cavity information detecting unit 1700 when providing the prosthesis. Based on the information, a prosthesis with a color similar to that of the patient's tooth may be provided.

The embodiment of the present invention detects the region to be treated from the scan data of the maxillary or mandible, and enlarges and displays the detected region to be treated so that an operator can quickly identify a tooth damaged by caries, caries, and the like. In addition, when providing a prosthesis, a prosthesis having a color similar to that of a patient's tooth can be provided, thereby increasing the satisfaction of treatment of the patient.

Meanwhile, the maxillary and mandibular scan data may be scanned at a time by the oral cavity scanner 100 including the omnidirectional lens.

The oral cavity scanner 100 may receive a 360-degree omnidirectional image having a specific angle of view according to a refractive index and receive from a lens array and a lens array including an omnidirectional lens and at least one lens capable of improving the efficiency of light received from the omnidirectional lens. It may include an image sensor for detecting a light and converting the light into a digital signal.

Since the oral cavity scanner 100 may acquire the omnidirectional image, the oral cavity scanner 100 may acquire the scan data of the maxilla or the mandible in one scan. Therefore, it is possible to acquire the full arch image and detect the area to be treated without having scan equipment for producing prostheses as well as separate equipment such as two-dimensional camera equipment or coloring equipment, and to collect oral information such as caries and tooth decay. can do.

In addition, since the full arch scan data can be acquired in one scan, errors occurring in the matching of the plurality of scan data can be eliminated, and the full arch scan data can be obtained in a short time. The accuracy of the design and fabrication of the prosthesis may be improved by using the 3D tooth image of the actual patient rather than the model image generated by matching the scan data.

Meanwhile, the center region of the image image shown in FIG. 5 is a region where the image is not received by the omnidirectional lens by the reflector formed in the center region of the omnidirectional lens.

6 is a flowchart of prosthesis fabrication using a data conversion device.

Referring to FIG. 6, the data conversion apparatus 200 may receive at least one scan data of the maxilla or the mandible from the oral cavity scanner 100 (S100). The received scan data may be stored in the storage device 230 (S110).

Next, the data conversion apparatus 200 may convert and display a 2D image into a panorama image by using the received scan data, and convert the scan data into a 3D model for display. The panorama image and the 3D model may be stored in the storage device 230 (S210). In addition, the two-dimensional image herein is at least one of the upper and lower jaw in the patient's mouth. And the three-dimensional model may be the same as at least one of the maxillary or mandible in the oral cavity of the patient. That is, the three-dimensional model is to convert the oral structure of the patient into a three-dimensional graphical model.

In addition, the oral cavity information detection unit 1700 may detect the unique characteristic information of the tooth regarding the dental structure such as the tooth size, the angle between the teeth, and the tooth spacing based on the two-dimensional image of the scan data (S300). The two-dimensional image based on the scan data may be a two-dimensional image taken by the oral scanner 100, and the data conversion apparatus 200 receives scan data formed by the oral scanner 100 scanned and received. It may be a two-dimensional image generated from the scan data. In addition, the dental structure information is an orthodontic detection on the two-dimensional image through the image processing and detects the position information of each of the plurality of teeth in the detected dentition, the angle or spacing information and the size of each tooth according to the position between the detected teeth The information may be generated by detecting the information. In addition, the oral cavity information detection unit 1700 may store the unique characteristic information of the teeth by matching the information identifying the patient (S310).

Next, the oral cavity information detection unit 1700 may detect a treatment target region based on the state information of the tooth through image processing based on image analysis (S400). In addition, in step S400, the operator may directly designate an area to be treated by looking at the displayed screen. The oral cavity information detector 1700 may match the information on the treatment target area with the information identifying the corresponding patient (S410). In addition, the area to be treated may be listed and stored in order of priority. The priority here may be a priority regarding the large extent of the injury area and the treatment that should be performed first.

In addition, the history may be managed by reading and displaying the information on the treatment target area stored during the treatment or treatment of the patient again (S420).

Next, the oral cavity information detection unit 1700 may extract and display the detected treatment target region from the image of the maxillary or mandible independently, and may list and display the plurality of treatment target regions (S500). In addition, the area to be treated may be listed and displayed in order of priority, and the priority here may be a priority regarding the fact that the damaged area is largely detected and the treatment should be performed first.

Next, a three-dimensional model of abutment or gum on the treatment target area may be generated (S600). For example, if a tooth is present on the treatment target area, prep the tooth and scan the prepared tooth with the oral scanner 100 to generate scan data, and the generated scan data is converted into the data conversion apparatus 200. Can be received (S600). Prep here means deleting some areas of the tooth before prosthetics. Therefore, since the shape of the tooth has changed since the preparation, the rescan is performed. However, if the tooth does not exist in the region to be treated, the preparation may be omitted, or the rescan process may not be performed when the scan data is used. In addition, when the abutment is installed in the area to be treated for the implant procedure, the data conversion apparatus 200 may scan the abutment scan data or the prepared abutment scan data with the oral scanner. 100).

Next, a 3D model may be generated using the scan data generated by rescanning the treatment target region (S700).

Next, the prosthesis type may be selected based on the generated 3D model (S800). In this case, the operator can select an appropriate one from a plurality of prosthesis lists, and detects an area where the 3D model after preparation is located in the 3D model before preparation and selects an appropriate one to be installed at the corresponding position through the position of the 3D model after preparation. The prosthesis may be listed and displayed, or one of the appropriate ones may be selected and displayed automatically.

Next, an area to design a prosthesis on the generated 3D model may be selected (S900). Also, the area to design the prosthesis may be an area extracted by trimming the 3D model.

Next, the prosthesis may be designed according to the selected prosthesis type (S1000).

Next, the prosthesis may be manufactured by transmitting the designed prosthesis data to an artificial tooth processing apparatus (S1100).

7 is a detailed flowchart of the prosthesis design.

Referring to FIG. 7, only a required region may be separated and extracted from the 3D model by trimming the 3D model generated in operation S900 by the operator by specifying the area through the input device 250 (S910). In contrast, the data conversion apparatus 200 detects the position of the three-dimensional model after preparation on the three-dimensional model before preparation by comparing the data of the three-dimensional model before preparation in the operation S100 and the three-dimensional model after preparation in the operation S600. In operation S900, the three-dimensional model may be automatically trimmed by comparing the regions.

In addition, the modification of the design of the prosthesis in relation to the modification of the prosthesis design in step S1000 may include adjusting the angle, size, shape thickness, and position of the prosthesis.

Next, the designed prosthesis data may be stored in at least one of the storage device 230 and the server device 500 (S1010).

Next, the designed prosthesis is image-synthesized into a two-dimensional image in which the treatment target region exists and a treatment target region on the three-dimensional model to update existing scan data and store it in at least one of the storage device 230 and the server device 500. It may be (S1020). When the history information of the patient is displayed, image information of the completed treatment can be displayed to update the treated information on the image. In addition, when the treatment target regions are listed and displayed in operation S500, only the remaining treatment target regions may be listed and displayed, except for the treatment target regions that have already been treated.

8A is a detailed flow diagram for selection of a prosthesis type.

Referring to FIG. 8A, when the prosthesis type is selected in operation S800, the data conversion apparatus 200 may detect whether a tooth exists on a three-dimensional model in operation S810.

Next, when it is detected that the tooth exists, it may be detected whether the cusp of the tooth is intact (S820).

Next, when the cusp of the tooth is intact, the prosthesis may be automatically selected based on the shape information of the cusp of the tooth (S830).

In addition, when the cusp of the tooth is not intact, a plurality of prosthetic candidates may be automatically selected by detecting the cusp information of the corresponding tooth of the tooth and the unique characteristic information of the adjacent teeth (S840), and when the plurality of prosthetic candidates are automatically selected, the operator Any one of the plurality of prosthetic candidates may be selected through the input device 250 (S850). In this case, when the prosthesis is installed on the tooth on the treatment target area, the prosthesis is detected as the occlusal teeth and the prosthesis is detected by selecting the prosthesis so that the patient wearing the prosthesis may not feel discomfort during the occlusion. . In addition, by using the cusp information of the clam teeth, a plurality of prosthetic candidates suitable for the patient may be automatically selected and presented to the operator to assist in the prosthetic selection.

Alternatively, when the cusp of the tooth is not intact, the cusp information of the antagonist of the tooth may be detected to display the cusp information (S840). And the operator can select any one of the plurality of prostheses on the database of the stored prosthesis based on the information on the head of the clam valuation. Thus, the operator can select a more suitable prosthesis by using the cusp information of the clam teeth.

In addition, when it is detected that the tooth does not exist according to the detection result at step S810, it is based on the unique information of the tooth to be located on the treatment target area, the head information of the antagonist, and the size or position information of the adjacent value adjacent to the treatment target area. The prosthesis can be automatically selected, and the prosthesis can be an artificial tooth model that can replace the lost tooth (S860).

Referring to FIG. 8B, when the prosthesis type is selected in operation S800, the data conversion apparatus 200 may check the existence of the existing tooth 3D model data of the patient in at least one of the storage device 230 and the server device 500. (S801). That is, when the 3D model data based on the scan data of the teeth that existed in the treatment area in the past, the 3D model data may be used as the prosthesis data to be applied to the damaged tooth (S802). By using the same 3D model data as the prosthetic data of the patient as the prosthetic data, the prosthesis design process can be omitted or minimized and an artificial tooth that is most suitable for the patient can be manufactured.

In addition, when the 3D model data of the existing tooth does not exist, the user may select an appropriate one of the prosthetic design models on the imported library by calling and displaying a prosthetic design model library according to the prosthesis type (S803). In this case, the prosthesis type selection process described in FIG. 8A may be applied.

Hereinafter, the design method of the prosthesis will be described in detail.

Referring to FIG. 9, the data conversion apparatus 200 may be executed in conjunction with the selection of various icons provided by the data design program 1000 in conjunction with the data design program 1000, and may be input through the input device 250. An oral data processing unit 1020 including a matching point providing unit 1004, a data alignment unit 1003, a margin setting unit 1005, and an undercut providing unit 1006 capable of performing a predetermined operation based on the received information. Area adjusting unit 1007, prosthesis providing unit 1008, prosthesis positioning unit 1009, prosthetic margin peeling unit 1010, adjacent tooth contact area display unit 1011, adjacent tooth contact area control unit 1012, polishing unit The prosthesis data processing unit 1030 may include a 1013, an occlusal surface adjusting unit 1014, a thickness display unit 1015, and a restoration occlusal state display unit 1016.

FIG. 10 is a diagram illustrating a first occlusal region in the occlusal state of the maxilla and the mandible and corresponding maxillary and mandibular scan data.

Referring to FIG. 10, the data alignment unit 1003 three-dimensionally first and second matched scan data PHT and PLT of a three-dimensional model based on buccal scan data PCT which is a two-dimensional or three-dimensional image. Can be combined in an occlusal state. On the other hand, the first and second matching scan data (PHT, PLT) on the drawing shows a partial region of each of the upper and lower jaw, but is not limited thereto, and may be a three-dimensional model of a full arch.

11 illustrates a matching point on scan data.

Referring to FIG. 11, the matching point provider 1004 may set one or more separation state matching points MP1 in at least one of the first and second matching scan data PTT and PLT. The matching point providing unit 1004 may set at least one separation state matching point MP1 based on the feature points on the scan data.

In addition, an occlusion state matching point MP2 corresponding to the separation state matching point MP1 may be assigned to the buccal scan data PCT in the occlusal state, and the operator may input the separation state matching point MP1 through the input device 250. The occlusal state matching point MP2 corresponding to can be designated on the buccal scan data PCT.

Alternatively, the matching point providing unit 1004 may set at least one occlusal state matching point MP2 on the buccal scan data PCT based on the feature points of the buccal scan data PCT. The operator may input at least one separation state matching point MP1 corresponding to the occlusal state matching point MP2 to at least one of the first and second matching scan data PHT and PLT through the input device 250. Can be set on

In addition, the number of occlusal state matching points MP2 and the number of separate state matching points MP1 set in any one of the first and second matching scan data PTT and PLT may be the same.

12 is a diagram illustrating an image in which upper and lower jaw data is aligned.

Referring to FIG. 12, the data alignment unit 1003 matches the occlusion state matching point MP2 and the separation state matching point MP1 with each other, and matches the first matching scan data PHT on the second matching scan data PLT. Can be combined to sort. Unlike the drawing, when the separation state matching point MP1 is set in the second matching scan data PLT, the second matching scan data PLT may be combined and aligned with the first matching scan data PHT. In this case, the first and second registration scan data AT coupled and aligned by the data alignment unit 1003 are displayed on the display device 220, and the operator compares the occlusal relationship with the actual patient's occlusion relationship. The accuracy of the alignment by the part 1003 can be confirmed. If the combination is not appropriate, the separation state matching point MP1 and the occlusion state matching point MP2 by the matching point providing unit 1004 are reset, and the first and second registration scan data by the data alignment unit 1003 are reset. (PHT, PLT) can be rearranged combined. If the association is appropriate, you can proceed to the next step. In addition, the first and second matched scan data PHT and PLT combined in an occlusal state generated by the data sorter 1003, their location information, and matching point information may be stored in the storage device 230.

13 is a diagram illustrating image data in which margin lines are formed.

Referring to FIG. 13, the margin setting unit 1005 may form a margin line ML in the treatment target region on the matched scan data, and the margin line ML may be set in the lingual middle region. no. In addition, at least one area MLR of the margin line ML may be adjusted in response to the movement of the margin line point MLP adjusted according to the command signal input through the input device 250.

The undercut providing unit 1006 may detect an undercut on the matched scan data, and change the position of the image data, which is a work target, so that the detected undercut is not formed.

14 is a view illustrating area control lines and points on image data for adjusting the size of a prosthesis.

Referring to FIG. 14, the area controller 1007 may include a width control line WCL, a boundary control line RCL, and a central horizontal position point CPP between left and right adjacent teeth about a treatment target area on registration scan data. And lingual position point (LPP) can be set.

In addition, the operator can adjust the width control line (WCL) through the input device 250 to determine the width of the prosthesis to be located in the treatment area, and adjust the boundary control line (RCL) to adjust the overall position of the prosthesis The central position of the prosthesis may be set using a central horizontal position point (CPP), and the direction of the prosthesis may be set using a lingual position point (LPP). In addition, the area controller 1007 may initially set the position of the width control line WCL, the position of the boundary control line RCL, the position information of the central horizontal position point CPP and the lingual position point LLP, and the changed position information. Prosthesis size and position information can be generated and provided to the prosthetic registration management unit 1400, the prosthetic registration management unit 1400 is the prosthesis size and location information and the head information of the teeth present in the treatment target region described in FIG. , At least one prosthesis may be selected based on the cusp information of the antagonist, and the information about the selected prosthesis may be provided to the prosthesis providing unit 1008.

15 is a view showing a state in which a prosthesis is coupled to a tooth.

Referring to FIG. 15, the prosthesis providing unit 1008 displays at least one prosthesis provided from the prosthetic registration management unit 1400 on the display device 220, and when a plurality of prostheses are displayed, one prosthesis by the operator's selection. When selected, the selected prosthesis DP may be combined on the treatment target area on the registration scan data.

In addition, the prosthesis providing unit 1008 displays at least one prosthesis having the same or similar color as the average color based on the average color information of the tooth region excluding the specific region on the tooth region from the oral cavity information detection unit 1600 ( If one prosthesis is selected by the operator's selection when the plurality of prostheses is displayed, and the plurality of prostheses is displayed, the selected prosthesis DP may be combined on the treatment target area on the registration scan data.

The prosthesis positioning unit 1009 may align the prosthesis by moving the prosthesis in up, down, left, and right directions, and up and down directions based on the shape and occlusal state of the adjacent teeth adjacent to the treatment target area where the prosthesis is located. In addition, the position of the prosthesis may be changed based on a command signal through the input device 250 from the operator.

The prosthetic margin peeling unit 1010 refers to the margin line information formed in the margin setting unit 1005 so that the prosthesis coupled to the tooth is filled up to the margin line formed on the tooth, so that the prosthesis covers the tooth to the margin line. Image data can be converted.

16 is a view showing image data showing a degree of contact between a prosthesis and an adjacent value.

Referring to FIG. 16, the adjacent tooth contact area display unit 1011 measures the degree of contact of the prosthesis with the adjacent teeth in the state in which the prosthesis is coupled to the teeth based on the positional relationship of the adjacent teeth adjacent to the treatment target area where the prosthesis is located. Can be detected and displayed.

In addition, the adjacent value contact area display unit 1011 may display areas in different colors according to the degree of proximity and collision and pressure when the prosthesis is not in contact with the adjacent value.

The adjacent tooth contact area control unit 1012 reduces the position of the prosthesis and the contact area based on the information about the positional relationship between the treatment target area where the prosthesis is located and the adjacent tooth and the degree of contact from the adjacent tooth contact area display unit 1011. And / or removal and thickness adjustment. In addition, the position and the specific area of the prosthesis may be reduced or removed based on the command signal through the input device 250 from the operator.

17 shows the surface of a prosthesis.

Referring to FIG. 17, the polishing unit 1013 may flatten the surface of the prosthesis so that the roughness of the surface is greater than or equal to the predetermined value and the area is less than or equal to the predetermined value. In addition, the planarization of the surface of the prosthesis may be changed based on a command signal through the input device 250 from the operator.

18 is a view showing adjusting the occlusal surface of the prosthesis.

Referring to FIG. 18, the occlusal surface adjustment unit 1014 includes first and second registration scan data PHT and PLT coupled in an occlusal state from the data alignment unit 1003, their location information, matching point information, and the like. The curvature and / or thickness of the prosthesis may be adjusted using information on the occlusal surface during occlusion of the tooth on which the prosthesis is formed based on the cusp information of the antagonist.

19 shows an indication of the thickness of a prosthesis.

Referring to FIG. 19, the thickness display unit 1015 may display the thickness of the entire prosthesis area by displaying the transparency of the image of the prosthesis differently, and display the corresponding area when the thickness is less than or equal to a preset value. The thickness of the corresponding area may be adjusted based on the command signal of the operator input through 250.

20 is a view showing image data of a prosthesis coupled to a tooth.

Referring to FIG. 20, the restoration occlusal state display unit 1016 combines the prosthesis on the treatment target region of the combined scan data, and combines the first and second registration scan data in the occlusal state from the data alignment unit 1003. PHT and PLT) and combined scan data in a state in which a prosthesis is formed based on the positional information, matching point information, and head information of antagonists can be generated and displayed.

In addition, the finally produced prosthesis 3D model data may be transmitted to the milling apparatus 300 or the printing apparatus 400 to produce a prosthesis.

Referring to FIG. 21, a virtual milling program 2000 may be further installed in the data conversion apparatus 200.

The virtual milling program 2000 may use the prosthetic data to give the milling device 300 a step to prevent the unexpected before reproducing the actual prosthesis or to reset the shape of the workpiece.

In addition, the virtual milling program 2000 allows to check the thickness change before and after the milling process and the milling process of the workpiece, and to set the initial milling start area in consideration of the center of gravity to prevent damage during milling of the workpiece. .

The data conversion apparatus 200 may be executed in conjunction with the selection of various icons provided by the virtual milling program 2000 in conjunction with the virtual milling program 2000, and may be based on information input through the input device 250. A center of gravity position adjusting unit 2001, a contact area display unit 2002, an internal area display unit 2003, a tool setting unit 2004, and a virtual milling unit 2005 capable of performing a set operation may be included.

The center of gravity position adjusting unit 2001 may adjust the position of the prosthesis based on the center of gravity of the prosthesis data.

In addition, the center of gravity position adjusting unit 2001 may receive the thickness information of the prosthesis from the thickness display unit 1015, detect the center of gravity of the prosthesis based on the prosthesis, and mill from the center of gravity of the prosthesis in consideration of the milling contact position. The prosthesis position can be adjusted to allow this to proceed.

In addition, the center of gravity position adjusting unit 2001 may prevent the milling failure during the production of the actual prosthesis in the milling device 300 by milling toward the center of gravity as the position is changed in consideration of the center of gravity of the prosthesis data. .

22 illustrates a contact area between a prosthesis and a prosthesis.

Referring to FIG. 22, the contact area display unit 2002 receives the center of gravity information from the center of gravity position adjusting unit 2001 and the contact position of the tool of the milling apparatus 300 during milling determined based on the center of gravity information. VCP) can be displayed on the prosthesis. Therefore, the position where the tool first contacts the prosthesis displayed on the display device 220 may be checked, and when there are a plurality of tools, each of the plurality of tools may display a contact area in the prosthesis.

Meanwhile, the VCP in FIG. 22 is an area protruding from the workpiece so that the workpiece can be fixed without being separated from the mill when the workpiece is processed in the milling apparatus. Thus, the projected area VCP of the workpiece can be coupled to the clamp unit of the milling apparatus.

23 shows internal information of a prosthesis.

Referring to FIG. 23, the internal region display unit 2003 may display an appearance together with internal information of the prosthesis using the thickness information of the prosthesis from the thickness display unit 1015, and may be processed through the virtual milling program 2000. The thickness information of the prosthesis may also be detected and displayed.

24 is a view showing a tool for processing the prosthesis and the prosthesis.

Referring to FIG. 24, the tool setting unit 2004 may select an appropriate tool type and size based on the size and thickness of the 3D prosthesis, the center of gravity information, and the contact point of milling, and display the same on the display device 220. have.

The virtual milling unit 2005 may mill the prosthesis virtually using the tool selected by the tool setting unit 2004, and display a change in thickness of each prosthetic region before and after milling.

25 is a schematic illustration of an oral scanner that is part of an embodiment of the present invention. FIG. 26 schematically illustrates the positional relationship between the first lens of the image photographing apparatus and the second lens of the pattern generating apparatus. 27 is an example of generating a line light pattern.

25 to 27, the oral cavity scanner 100 may include an image photographing apparatus 610 positioned at 11a and a pattern generating apparatus 620 positioned at 11b, and the image photographing apparatus and pattern The generating device is not limited to the above position, but may be disposed at any position of the barrel portion 11.

The image capturing apparatus 610 of the oral cavity scanner 100 may receive a first lens 110a having at least one refractive surface and a reflective surface and an image sensor having a specific angle of view according to the refractive index and capable of receiving 360-degree images. 18). In addition, the first lens 110a may be an aspherical lens which is any one of an omnidirectional lens, a mirror lens, and a fisheye lens. The angle of view may be from the edge end of the outer surface of the lens to the boundary region between the reflective coating surface and other areas. In addition, the image capturing apparatus 610 may include an image processor 320 and a controller 310. Although the controller 310 is illustrated as being included on the pattern generator 620, this is for convenience of understanding and the controller 310 may manage both driving of the image photographing apparatus 610 and the pattern generator 620. Can be. In addition, the image capturing apparatus 610 may further include a lens array unit 21 to efficiently transmit the light passing through the first lens 110a to the image sensor 18.

In another aspect, although not shown in FIG. 25, the imaging device 610 of the oral cavity scanner 100 converts a path of light received from the first lens 110a, for example, a central axis of the first lens and the lens array unit. If they are perpendicular to each other, the mirror unit may further include a mirror unit to convert the path of the light to transfer the light received from the first lens to the lens array unit, but is not limited thereto. In addition, the mirror unit may be composed of a specially coated flat mirror, a prism, etc., but is not limited thereto. In addition, the special coating here means a general coating for solving problems such as fog, moisture, foreign matter contamination.

In addition, the oral cavity scanner 100 includes a pattern generator 620, and the pattern generator 620 includes a light source 511 for providing pattern light to a subject and a micromirror for reflecting light from the light source 511. It may include a micromirror 530 including a 531 and a second lens 110b for outputting the light from the micromirror 531 in all directions. The micromirror unit 530 may control the micromirror 531 to be tilted or rotated within a specific angle. At this time, the micromirror 531 has a high frequency and can operate very quickly. The second lens 110b may be an aspherical lens, which is any one of an omnidirectional lens, a mirror type lens, and a fisheye lens. The controller 310 may directly control the light source or the micromirror 531, and may synchronize the light pattern irradiation time of the pattern generating device 620 with the sensing time of the image sensor 18.

The micromirror 531 may be any one of a microelectromechanical system (MEMS) scanning mirror, a single axis mirror, a two-axis MEMS scanning mirror, and a digital micromirror device (DMD).

In this case, the DMD may be a device for projecting an image by the on / off state of reflection by the mirror element. The DMD is a semiconductor optical switch integrating a micro-drive mirror, and is a static random access. Memory), a reflector cell, a cell driving part, and a driving circuit part, each of which is an aluminum alloy micromirror having a size of several tens to several μm. Additionally, components such as a color wheel or an SCR color wheel (Sequential Color Recapture Color Wheel) may be included to implement a color pattern.

The DMD type micromirror 531 has high color reproducibility and high contrast ratio according to the digital method, and is bright and clear, and no digital-to-analog conversion is required, which is resistant to noise and requires or minimizes additional signal correction. Its high light efficiency, complete silicon device is durable and fast.

The laser light line LL is irradiated in the form of a laser light pattern to a subject in the omnidirectional region by the second lens 110b having a refractive index according to the tilting or rotation angle of the micromirror 531, and the image of the subject to which the pattern is irradiated is The image sensor 18 of the image capturing apparatus 610 is detected. The data conversion apparatus 30 may reconstruct the three-dimensional model of the subject from the subject image information to which various laser light patterns photographed by the image sensor 18 are irradiated.

In this case, the virtual straight line passing through the central axis of the first lens 110a may be perpendicular to the plane, and the virtual straight line passing through the central axis of the second lens 110b may be perpendicular to the straight line perpendicular to the plane. It can be configured to form an angle. Here, the theta angle (0 to 90 °) is the structure and shape of the 3D scanner 600 and the predetermined distance d, focal length, etc. between the first lens 110a and the second lens 110b. Can be determined based on this.

The pattern generator 620 may further configure the lens unit 520. In order to efficiently transmit the laser light, the lens unit may include a cylindrical lens 521 and a collimator lens 522, and a lens for a special purpose may be added. In addition, the above-described configuration will be omitted as described above.

The laser light is converted into the laser line LL by the lens unit 520, and the converted laser line LL may be incident / reflected by the micromirror 531 to form various types of laser light patterns.

On the other hand, the present invention can also be embodied as computer readable codes on a computer readable recording medium. Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and may also be implemented in the form of a carrier wave (for example, transmission over the Internet). Include. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. In addition, functional programs, codes, and code segments for implementing the present invention can be easily inferred by programmers in the art to which the present invention belongs.

In the detailed description of the present invention described above with reference to the preferred embodiment of the present invention, those skilled in the art or those skilled in the art having ordinary knowledge of the present invention described in the claims to be described later It will be understood that various modifications and variations can be made in the present invention without departing from the spirit and scope of the art. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

The present invention can be used in the field of three-dimensionally scanning a subject and using it to design an artifact for a subject and to produce an artifact.

Claims

Receiving scan data from an oral scanner;

Displaying at least one two-dimensional image of the maxilla or mandible of the full arch based on the scan data;

Displaying the maxillary and mandibular models of the three-dimensional grass arch;

Detecting an area to be treated based on the scan data; And

Designing a prosthesis to be installed in the region to be treated;

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

The maxillary and mandibular models of the three-dimensional pool arch are identical to the maxillary and mandibular structures of the patient's pool arch.

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

The oral cavity scanner is characterized by receiving a omnidirectional image having a specific angle of view according to the refractive index

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

Detecting a treatment target region based on the scan data,

Extracting and displaying the region to be treated; And

And listing and displaying the plurality of treatment subject areas in a list.

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

Storing the area to be treated; And

Designing a prosthesis in the treatment area to update scan data;

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

From the two-dimensional image based on the scan data,

Detecting caries, color, damage of the teeth; characterized in that it further comprises

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 1

From the maxillary and mandibular models of the three-dimensional full arch,

Extracting the dental structure information of the patient; characterized in that it further comprises

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

The treatment target area

Detecting based on an image analysis of the scan data

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

The treatment target area

Characterized in that it is set to the selected area through the input device

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

Designing a prosthesis to be installed in the treatment area,

Generating a three-dimensional model of abutments, gums, and the like on the treatment target area based on the scan data;

Selecting a prosthesis type based on the three-dimensional model; And

Selecting an area to design the prosthesis;

Designing a prosthesis according to the type of the selected prosthesis; comprising

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 7, wherein

Selecting a prosthesis type based on the three-dimensional model,

If a three-dimensional model of an existing tooth exists, import it,

Loading a prosthesis design model library for each prosthesis type if there is no 3D model of the existing tooth;

Containing

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 1,

Designing a prosthesis to be installed in the treatment area,

Changing at least one of an angle, a size, a thickness, a shape, and a position of the prosthesis in consideration of a antagonist and an adjacent value;

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 5,

And storing at least one of the scan data, the treatment target region, the prosthesis, and the updated scan data in association with personal information of a patient.

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 4, wherein

A plurality of the treatment target area is characterized in that the list is displayed according to the priority of the treatment

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

To detect the color, caries, damage information of the tooth from the two-dimensional image based on the scan data,

Detecting the dental structure information of the teeth from the three-dimensional image based on the scan data

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 15,

The color of the prosthesis is selected based on the tooth color information

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

Data of the designed prosthesis is transmitted to the milling or printing device, characterized in that the artificial teeth are manufactured

Artificial tooth design method using data conversion device for artificial tooth processing.
According to claim 1,

Receiving scan data from the oral cavity scanner includes: irradiating a light pattern on a subject;

Receiving an omnidirectional image of the subject to which the light pattern is irradiated; And

Generating scan data based on the received omnidirectional image;

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 18,

The time point at which the light pattern is irradiated and the time point at which the omnidirectional image is received are synchronized with each other.

Artificial tooth design method using data conversion device for artificial tooth processing.
The method of claim 18,

Irradiating the light pattern to the subject,

And adjusting at least one of a driving time and a driving period of a light source between the light lines irradiated to the subject and the respective thicknesses thereof.

The light pattern is characterized in that the pattern of the plurality of forms of color or monochrome

Artificial tooth design method using data conversion device for artificial tooth processing.
A communication device for receiving scan data from the oral cavity scanner;

An oral information detection unit detecting a treatment target region based on the scan data; And

A data design program for generating a two-dimensional image of at least one of the maxillary or mandible of the full arch and the maxillary and mandibular models of the three-dimensional full arch based on the scan data and designing a prosthesis to be installed in the treatment target area is executed. A processor comprising;

Data conversion device for artificial tooth processing.
The method of claim 21,

The maxillary and mandibular models of the three-dimensional pool arch are identical to the maxillary and mandibular structures of the patient's pool arch.

Data conversion device for artificial tooth processing.
The method of claim 21,

The oral cavity scanner is characterized by receiving a omnidirectional image having a specific angle of view according to the refractive index

Data conversion device for artificial tooth processing.
The method of claim 21,

The oral cavity information detection unit

Detecting an area to be treated from the scan data based on gray level information;

Data conversion device for artificial tooth processing.
The method of claim 21,

And a storage device configured to store the updated scan data generated by updating scan data by designing a prosthesis in the treatment target region information and the treatment target region.

Data conversion device for artificial tooth processing.
The method of claim 21,

The oral cavity information detection unit

From the two-dimensional image based on the scan data,

Characterized by detecting caries, color and damage of teeth

Data conversion device for artificial tooth processing.
The method of claim 21,

The oral cavity information detection unit

Extracting the dental structure information of the patient from the maxillary and mandibular models of the three-dimensional pool arch

Data conversion device for artificial tooth processing.
The method of claim 21,

The oral cavity information detection unit

Detecting the treatment target area based on an image analysis of the scan data

Data conversion device for artificial tooth processing.
The method of claim 21,

The treatment subject region is set to a region selected through an input device.

Data conversion device for artificial tooth processing.
The method of claim 21,

The processor is

Based on the three-dimensional model

If a three-dimensional model of an existing stored tooth exists, import it,

If there is no three-dimensional model of the existing stored tooth, characterized in that the prosthesis design model library for each prosthesis type is called

Data conversion device for artificial tooth processing.
The method of claim 25,

The processor may store at least one of the scan data, the treatment target region, the prosthesis, and the updated scan data in the storage device in association with a patient's personal information.

Data conversion device for artificial tooth processing.
The method of claim 21,

The processor may list the plurality of treatment target areas according to the priority of treatment and display them on the display device.

Data conversion device for artificial tooth processing.
The method of claim 21,

The oral cavity information detection unit

To detect the color, caries, damage information of the tooth from the two-dimensional image based on the scan data,

Detecting the dental structure information of the teeth from the three-dimensional image based on the scan data

Data conversion device for artificial tooth processing.
The method of claim 33, wherein

The color of the prosthesis is selected based on the tooth color information

Data conversion device for artificial tooth processing.