CN113729998A - Method for manufacturing dental implant - Google Patents
Method for manufacturing dental implant Download PDFInfo
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- CN113729998A CN113729998A CN202110893718.8A CN202110893718A CN113729998A CN 113729998 A CN113729998 A CN 113729998A CN 202110893718 A CN202110893718 A CN 202110893718A CN 113729998 A CN113729998 A CN 113729998A
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- 239000004053 dental implant Substances 0.000 title claims abstract description 199
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 239000002071 nanotube Substances 0.000 claims abstract description 23
- 238000005498 polishing Methods 0.000 claims abstract description 15
- 238000010146 3D printing Methods 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 11
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 33
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 16
- 239000008213 purified water Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000007639 printing Methods 0.000 claims description 13
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 8
- 238000007788 roughening Methods 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 4
- 238000004832 voltammetry Methods 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 1
- 239000002253 acid Substances 0.000 description 4
- 238000007743 anodising Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
- A61C8/0013—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
- A61C8/0015—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating being a conversion layer, e.g. oxide layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/12—Phosphorus-containing materials, e.g. apatite
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
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- A—HUMAN NECESSITIES
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/62—Treatment of workpieces or articles after build-up by chemical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/68—Cleaning or washing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The embodiment of the invention provides a manufacturing method of a dental implant, which comprises the following steps: generating a first dental implant according to the 3D printing; placing the first dental implant in polishing solution, stirring for 30-80s, and cleaning to obtain a second dental implant; coarsening the surface of the second dental implant and cleaning the surface to generate a third dental implant; carrying out anodic oxidation treatment on the third dental implant, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant; depositing hydroxyapatite in the nano tube in the fourth dental implant to generate a fifth dental implant; and carrying out vacuum heat treatment on the fifth dental implant to generate a sixth dental implant.
Description
Technical Field
The invention relates to the technical field of oral restoration, in particular to a manufacturing method of a dental implant.
Background
3D printing is a technology for constructing an object by using a bondable material such as powdered metal or plastic and the like in a layer-by-layer printing mode on the basis of a digital model file.
The traditional method for preparing the false tooth at the present stage is generally hot-press molding after high-temperature melting, the method usually relates to manual oral impression, when a tray is taken out of a patient, precision errors can be generated, so that the manufactured dental prosthesis is not closed, the comfort of the patient and the wear resistance, mechanical strength and service life of the false tooth are influenced, the required surface features of the false tooth are printed out through laser scanning and 3D printing of the morphological features of the tooth engaged with the false tooth, the occlusion degree of the false tooth can be enhanced, the false tooth tightly attached to a human dental bed can be processed, and the wear resistance, acid and alkali resistance and mechanical strength of the false tooth are improved.
The existing 3D printed dental implant has the technical problems that the roughness is uneven due to the printing precision problem, and the surface microstructure does not form an even hole structure, so that the bioactivity is difficult to meet the requirement.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a method for manufacturing a dental implant, which is used to solve the technical problems that the existing 3D printed dental implant has uneven roughness due to the problem of printing precision, and a uniform pore structure is not formed on the surface microstructure, so that the bioactivity is difficult to meet the requirement.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
an embodiment of the present invention provides a method for manufacturing a dental implant, the method including:
generating a first dental implant according to the 3D printing;
placing the first dental implant in polishing solution, stirring for 30-80s, and cleaning to obtain a second dental implant;
coarsening the surface of the second dental implant and cleaning the surface of the second dental implant to generate a third dental implant;
carrying out anodic oxidation treatment on the third dental implant, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant;
depositing hydroxyapatite in the nano tube in the fourth dental implant to generate a fifth dental implant;
and carrying out vacuum heat treatment on the fifth dental implant to generate a sixth dental implant.
Further, the polishing solution comprises 10% of hydrofluoric acid, 20% of nitric acid and 70% of purified water by volume ratio.
Further, the step of placing the first dental implant in polishing solution, stirring for 30-80s and performing cleaning treatment, wherein the cleaning step in generating the second dental implant comprises the following steps:
placing the polished first dental implant in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned first dental implant;
and placing the cleaned first dental implant in purified water for ultrasonic cleaning for 15min, and drying in an oven for 30-120min, wherein the temperature of the oven is set to be 60-80 ℃ to generate a second dental implant.
Further, the roughening and cleaning treatment of the surface of the second dental implant, and the cleaning treatment in generating the third dental implant includes:
placing the second dental implant with the roughened surface in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned second dental implant;
and placing the cleaned second dental implant in purified water for ultrasonic cleaning for 15min, and drying in a drying oven for 30-120min, wherein the temperature of the drying oven is set to be 60-80 ℃ to generate a third dental implant.
Further, the steps of generating the first dental implant according to 3D printing, placing the first dental implant in polishing solution, stirring for 30-80s, and cleaning to generate the second dental implant further comprise:
placing the first dental implant in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned first dental implant;
and placing the cleaned first dental implant in purified water for ultrasonic cleaning for 15min, and drying in a drying oven for 30-120min, wherein the temperature of the drying oven is set to be 60-80 ℃, so as to generate the cleaned first dental implant.
Further, the cleaning solution is prepared from acetone and absolute ethyl alcohol according to the volume ratio of 1: 1.
Further, the roughening and cleaning the surface of the second dental implant to generate a third dental implant includes:
and (3) forming micropores with the diameter of 5-15 mu m and the depth of 3-10 mu m on the surface of the second dental implant through femtosecond laser, and cleaning the roughened surface of the second dental implant to generate a third dental implant.
Further, the step of anodizing the third dental implant and constructing a nanotube structure in the third dental implant to generate a fourth dental implant comprises:
taking the third dental implant as an anode and a platinum sheet as a cathode to carry out anodic oxidation in electrolyte, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant; wherein the voltage of the anodic oxidation treatment is set to be 25-40V, the time is 40-70min, and the electrolyte is a mixed solution of hydrofluoric acid with the integral fraction of 0.03-0.06% and purified water.
Further, the generating of the first dental implant according to 3D printing comprises:
and establishing a dental implant model by using computer modeling software, importing the dental implant model into an SLM printing system, and performing metal SLM printing to generate a first dental implant.
Further, the depositing hydroxyapatite in the nano tube in the fourth dental implant to generate a fifth dental implant includes:
depositing hydroxyapatite in a nanotube in the fourth dental implant by using a voltammetry scanning method on an electrochemical workstation to generate a fifth dental implant; wherein, the voltage range in the voltammetry scanning method is as follows: 0-1.5V, rate of change: 0.001V/S, electrolyte 1.6X 10-4mol/L of calcium nitrate: 1X 10-4mixed solution of mol/L ammonium dihydrogen phosphate, and stabilizing time: for 30 s.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
according to the manufacturing method, after the surface of the second dental implant is coarsened, the third dental implant is subjected to anodic oxidation treatment, the nanotube structure is constructed in the third dental implant, and hydroxyapatite is deposited in the nanotube structure, so that the surface formation precision of the dental implant is high, the surface microstructure of the dental implant forms an even hole structure, the bioactivity is met, and the technical problem that the existing 3D printed dental implant is not uniform in roughness and does not form an even hole structure due to the printing precision problem, and the bioactivity is difficult to meet the requirement is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a method for manufacturing a dental implant according to an embodiment of the present invention.
Wherein:
100. a titanium mesh body; 110. the edge of the titanium mesh; 120. a pore structure; 121. a first hole; 122. A second hole; 200. bone nails; 300. a base station.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the embodiments of the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the present embodiment provides a method for manufacturing a dental implant, the method including:
generating a first dental implant according to the 3D printing;
placing the first dental implant in polishing solution, stirring for 30-80s, and cleaning to obtain a second dental implant;
coarsening the surface of the second dental implant and cleaning the surface of the second dental implant to generate a third dental implant;
carrying out anodic oxidation treatment on the third dental implant, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant;
depositing hydroxyapatite in the nano tube in the fourth dental implant to generate a fifth dental implant;
and carrying out vacuum heat treatment on the fifth dental implant to generate a sixth dental implant.
According to the manufacturing method, after the surface of the second dental implant is coarsened, the third dental implant is subjected to anodic oxidation treatment, the nanotube structure is constructed in the third dental implant, and hydroxyapatite is deposited in the nanotube structure, so that the surface formation precision of the dental implant is high, the surface microstructure of the dental implant forms an even hole structure, the bioactivity is met, and the technical problem that the existing 3D printed dental implant is not uniform in roughness and does not form an even hole structure due to the printing precision problem, and the bioactivity is difficult to meet the requirement is solved.
Furthermore, hydroxyapatite is a biological material that is good for promoting bone healing, and can help the dental implant to be fused rapidly after it is implanted during the process of implanting the dental implant.
In this embodiment, the polishing solution has a volume ratio of 10% hydrofluoric acid, 20% nitric acid, and 70% purified water.
In some embodiments of the present application, the placing the first dental implant in the polishing solution, stirring for 30-80s, and performing the cleaning process, wherein the cleaning in the generating of the second dental implant comprises:
placing the polished first dental implant in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned first dental implant;
and placing the cleaned first dental implant in purified water for ultrasonic cleaning for 15min, and drying in an oven for 30-120min, wherein the temperature of the oven is set to be 60-80 ℃ to generate a second dental implant.
The cleaning treatment can clean the polishing solution after polishing treatment, and can keep better cleanness and perform drying treatment.
Wherein the cleaning solution is prepared from acetone and absolute ethyl alcohol according to the volume ratio of 1: 1.
In some embodiments of the present application, the roughening and cleaning of the surface of the second dental implant, the cleaning in generating a third dental implant, comprises:
placing the second dental implant with the roughened surface in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned second dental implant;
and placing the cleaned second dental implant in purified water for ultrasonic cleaning for 15min, and drying in an oven for 30-120min, wherein the temperature of the oven is set to be 60-80 ℃ to generate a third dental implant.
For the second dental implant surface, there may be some fragments with more attachment after roughening treatment, and after ultrasonic cleaning, the fragments can be cleaned for subsequent anodization.
Wherein the cleaning solution is prepared from acetone and absolute ethyl alcohol according to the volume ratio of 1: 1.
In some embodiments of the present application, the generating of the first dental implant according to 3D printing and placing the first dental implant in the polishing solution for stirring for 30-80s and performing the cleaning process further comprises:
placing the first dental implant in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned first dental implant;
and placing the cleaned first dental implant in purified water for ultrasonic cleaning for 15min, and drying in a drying oven for 30-120min, wherein the temperature of the drying oven is set to be 60-80 ℃, so as to generate the cleaned first dental implant.
After printing through 3D, when on the first dental implant that generates, be affiliated to on the first dental implant has more dust, can make through ultrasonic cleaning first dental implant keeps comparatively clean to follow-up processing carries out.
In some embodiments of the present application, the roughening and cleaning the surface of the second dental implant to generate a third dental implant comprises:
and (3) forming micropores with the diameter of 5-15 mu m and the depth of 3-10 mu m on the surface of the second dental implant through femtosecond laser, and cleaning the roughened surface of the second dental implant to generate a third dental implant.
In the prior art, most of the materials are subjected to acid etching treatment after sand blasting, the acid etching treatment relates to strong acid, and the method is environment-friendly.
In some embodiments of the present application, the anodising the third dental implant and building a nanotube structure in the third dental implant, generating a fourth dental implant comprises:
taking the third dental implant as an anode and a platinum sheet as a cathode to carry out anodic oxidation in electrolyte, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant; wherein the voltage of the anodic oxidation treatment is set to be 25-40V, the time is 40-70min, and the electrolyte is a mixed solution of hydrofluoric acid with the integral fraction of 0.03-0.06% and purified water.
By anodising the third implant, the nanotube structure can be built up within the third implant.
In some embodiments of the present application, the generating a first dental implant from 3D printing comprises:
and establishing a dental implant model by using computer modeling software, importing the dental implant model into an SLM printing system, and performing metal SLM printing to generate a first dental implant.
Wherein the dental implant model is imported into the SLM printing system in STL format.
The modeling software can be CAD or SolidWorks, and the like, and carries out three-dimensional modeling on the dental implant.
Wherein the step of performing vacuum heat treatment on the fifth dental implant to generate a sixth dental implant specifically comprises:
and placing the fifth dental implant in a sintering furnace, and carrying out vacuum heat treatment at the set temperature of 900 ℃ for 12 hours to obtain the sintered fifth dental implant.
Wherein the cleaning solution is prepared from acetone and absolute ethyl alcohol according to the volume ratio of 1: 1.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of manufacturing a dental implant, the method comprising:
generating a first dental implant according to the 3D printing;
placing the first dental implant in polishing solution, stirring for 30-80s, and cleaning to obtain a second dental implant;
coarsening the surface of the second dental implant and cleaning the surface to generate a third dental implant;
carrying out anodic oxidation treatment on the third dental implant, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant;
depositing hydroxyapatite in the nano tube in the fourth dental implant to generate a fifth dental implant;
and carrying out vacuum heat treatment on the fifth dental implant to generate a sixth dental implant.
2. The method for manufacturing a dental implant according to claim 1, wherein the polishing solution comprises 10% hydrofluoric acid, 20% nitric acid and 70% purified water by volume.
3. The method for manufacturing a dental implant according to claim 1, wherein the step of placing the first dental implant in a polishing solution, stirring for 30-80s, and performing a cleaning process, wherein the cleaning step for generating the second dental implant comprises:
placing the polished first dental implant in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned first dental implant;
and placing the cleaned first dental implant in purified water for ultrasonic cleaning for 15min, and drying in an oven for 30-120min, wherein the temperature of the oven is set to be 60-80 ℃ to generate a second dental implant.
4. The method of claim 1, wherein the step of roughening and cleaning the surface of the second dental implant to produce a third dental implant comprises:
placing the second dental implant with the roughened surface in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned second dental implant;
and placing the cleaned second dental implant in purified water for ultrasonic cleaning for 15min, and drying in an oven for 30-120min, wherein the temperature of the oven is set to be 60-80 ℃ to generate a third dental implant.
5. The method for manufacturing a dental implant according to claim 1, wherein the steps of generating a first dental implant according to 3D printing and placing the first dental implant in a polishing solution for stirring for 30-80s and cleaning, and generating a second dental implant further comprises:
placing the first dental implant in a cleaning solution for ultrasonic cleaning for 3 times, wherein each time is 15min, and generating a cleaned first dental implant;
and placing the cleaned first dental implant in purified water for ultrasonic cleaning for 15min, and drying in an oven for 30-120min, wherein the temperature of the oven is set to be 60-80 ℃, so as to generate the cleaned first dental implant.
6. The method for manufacturing a dental implant according to any one of claims 3 to 5, wherein the cleaning solution is prepared from acetone and absolute ethyl alcohol in a volume ratio of 1: 1.
7. The method of claim 1, wherein the step of roughening and cleaning the surface of the second dental implant to form a third dental implant comprises:
and (3) forming micropores with the diameter of 5-15 mu m and the depth of 3-10 mu m on the surface of the second dental implant through femtosecond laser, and cleaning the roughened surface of the second dental implant to generate a third dental implant.
8. The method of claim 1, wherein the step of anodically oxidizing the third dental implant and creating a nanotube structure in the third dental implant to create a fourth dental implant comprises:
taking the third dental implant as an anode and a platinum sheet as a cathode to carry out anodic oxidation in electrolyte, and constructing a nanotube structure in the third dental implant to generate a fourth dental implant; wherein the voltage of the anodic oxidation treatment is set to be 25-40V, the time is 40-70min, and the electrolyte is a mixed solution of hydrofluoric acid with an integral number of 0.03-0.06% and purified water.
9. The method of manufacturing a dental implant according to claim 1, wherein the generating a first dental implant according to 3D printing comprises:
and establishing a dental implant model by using computer modeling software, importing the dental implant model into an SLM printing system, and performing metal SLM printing to generate a first dental implant.
10. The method of claim 1, wherein the step of depositing hydroxyapatite in the nano tube of the fourth dental implant to produce a fifth dental implant comprises:
depositing hydroxyapatite in the nano tube in the fourth dental implant by using a voltammetry scanning method on an electrochemical workstation to generate a fifth dental implant; wherein, the voltage range in the voltammetry scanning method is as follows: 0-1.5V, rate of change: 0.001V/S, electrolyte 1.6X 10-4mol/L of calcium nitrate: 1X 10-4mixed solution of mol/L ammonium dihydrogen phosphate, and stabilizing time: for 30 s.
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| WO2023121576A1 (en) * | 2021-12-24 | 2023-06-29 | Akay Mahmut | Ud-smarthybrid denture prosthesis |
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