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WO2012111990A2 - Dental drill - Google Patents

Dental drill Download PDF

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Publication number
WO2012111990A2
WO2012111990A2 PCT/KR2012/001173 KR2012001173W WO2012111990A2 WO 2012111990 A2 WO2012111990 A2 WO 2012111990A2 KR 2012001173 W KR2012001173 W KR 2012001173W WO 2012111990 A2 WO2012111990 A2 WO 2012111990A2
Authority
WO
WIPO (PCT)
Prior art keywords
cutting
edge
dental drill
cutting edge
diameter
Prior art date
Application number
PCT/KR2012/001173
Other languages
English (en)
Korean (ko)
Other versions
WO2012111990A3 (fr
Inventor
문종훈
박무용
Original Assignee
오스템임플란트(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 오스템임플란트(주) filed Critical 오스템임플란트(주)
Publication of WO2012111990A2 publication Critical patent/WO2012111990A2/fr
Publication of WO2012111990A3 publication Critical patent/WO2012111990A3/fr

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Classifications

    • 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
    • A61C8/0089—Implanting tools or instruments
    • A61C8/0092—Implanting tools or instruments for sinus lifting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1604—Chisels; Rongeurs; Punches; Stamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1635—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1662—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans for particular parts of the body
    • A61B17/1673—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans for particular parts of the body for the jaw

Definitions

  • the present invention relates to a dental drill for use in the oral cavity of a patient, and more particularly, to a dental drill that can be quickly and safely perforated in the maxillary sinus without damaging the mucous membrane inside the maxillary sinus during the maxillary sinus procedure will be.
  • the operator In the process of drilling by rotating the drill in the oral cavity, the operator most judges the perforation of the maxillary sinus by the operator's fingertips. Check the depth of perforation by checking the thickness of the maxilla by X-ray or CT, but the bone in the maxillary sinus exists in various forms such as flat, concave, and septum. Because of the shape, the procedure is always under pressure that the mucous membrane may be perforated.
  • the present invention to solve the above problems, in the side approach that is the implantation method of maxillary sinus implant, while the drill has the inherent function of drilling or expanding the cortical bone and sponge bone like a normal drill, while the drill is in direct contact with the maxillary sinus membrane
  • the drill By providing a drill that prevents damage to the maxillary sinus membrane by elevating the maxillary sinus membrane quickly and safely, it is intended to increase the clinical success rate after the procedure while providing safety and convenience to the implant procedure.
  • a dental including a connecting portion formed on the top of the body to be connected to the drive device, and a cutting portion formed on the bottom of the body and having a cutting edge for drilling
  • the cutting portion is formed by arranging a plurality of cutting edges in a circular shape so as to have a hollow cylindrical shape with a hollow inside, and the cutting of the disk is possible, and an end curved surface is formed at the end of the cutting edge.
  • At least one inclined surface is preferably formed in the trailing portion of each said cutting edge.
  • the cutting edge preferably has a leading edge portion that curves toward the leading direction toward the end of the cutting edge.
  • a chip pocket is formed between the cutting edges to easily discharge and store chips of the bone to be cut.
  • the inner circumferential surface of the cutting portion having the hollow portion formed therein is formed such that the inner diameter decreases toward the base side and the inner diameter increases toward the distal end, or the inner diameter is constant, so that the present disk produced by the cutting operation can be easily discharged from the hollow portion. It is desirable to be able to.
  • grinding processing is performed with respect to the cutting edge so that the edge portion of the cutting edge becomes sharp.
  • a diameter enlargement portion having a gradually increasing diameter is formed between the relatively small diameter body and the relatively large diameter cutting portion.
  • a stepped portion protruding outward and a stop portion protruding further outward from the base end of the stepped portion are formed.
  • the stopper preferably includes an engaging portion having an inner circumferential diameter equal to the outer circumferential diameter of the stepped portion, and a fitting preventing portion having an inner circumferential diameter smaller than the outer circumferential diameter of the stepped portion.
  • the coupling part may be divided into a plurality of pieces by an incision extending upward and downward, and a protrusion is formed at the base of the stepped part to ensure the coupling state of the coupling part to the stepped part and the inner circumferential end of the coupling part. It is preferable that a recess is formed in the protrusion to fit the protrusion.
  • At least one opening is preferably formed in the cutting portion to facilitate removal of the bone disk or the bone chip which can be inserted into the hollow portion formed inside the cutting portion.
  • An angle formed between the side line of the inclined surface generated by processing the inclined surface and the end curved surface is preferably less than or equal to 90 degrees and greater than or equal to 1 degree.
  • the end curved surface may be formed by rounding the outer circumferential edge and the inner circumferential edge of the cutting portion, and the round radius of the outer circumferential side edge of the end curved surface is preferably greater than or equal to the round radius of the inner circumferential side edge.
  • a step may be formed between the inclined surface and the end curved surface.
  • a dental drill comprising a connecting portion formed on the top of the body to be connected to the drive device, and a cutting portion formed on the bottom of the body and having a cutting edge for drilling, wherein the cutting portion And a plurality of cutting edges arranged in a circular shape to have a hollow hollow cylindrical shape, and chip pocket portions formed between the cutting edges and filled with the cut chips. Is provided with at least one inclined surface formed in the trailing portion and a leading edge portion curved toward the leading direction toward the distal end of the cutting edge.
  • a dental drill may be provided that can elevate the membrane quickly and safely to prevent damage to the maxillary sinus membrane.
  • the drill tip has a structure that can form a bone disk (bone disk) and can be easily separated.
  • a bone chip can be easily filled between the blade and the blade formed at the tip of the drill, so that even when the drill blade is in direct contact with the maxillary sinus membrane, it can safely elevate the maxillary sinus membrane. do.
  • the maxillary sinus membrane can be safely approached and lifted more rapidly during the maxillary sinus procedure, the procedure area is small, the occurrence of edema after the procedure is suppressed, and the use of bone graft material can be reduced.
  • FIG. 1 is a front view of a dental drill according to the present invention
  • FIG. 2 is a plan view of a cutting portion of a dental drill according to the present invention.
  • FIG. 3 is a perspective view of a cutting portion of a dental drill according to the present invention.
  • Figure 4a is a front view of the cutting portion of the dental drill according to the present invention.
  • 4b is an enlarged view of an essential part of a cutting part of a dental drill according to the present invention.
  • FIG. 5 is a cross-sectional view of the cutting portion of the dental drill according to the present invention.
  • FIG. 6 is a front view of a dental drill according to the present invention with a stopper mounted thereon;
  • FIG. 7 is a cross-sectional view of the stopper of the dental drill according to the present invention.
  • the dental drill according to a preferred embodiment of the invention, one end of the substantially cylindrical body 10 (ie, to be connected to a drive device such as a hand driver or a dental treatment engine) 1, a cutting portion 30 formed at the other end of the body 10 (i.e., the lower end in FIG. 1) and the cutting edge 30 for drilling, formed at the connecting portion 20 formed at the upper end in FIG. It includes.
  • the cutting part 30 has a hollow cylindrical shape with an empty inside, and has a structure in which a bone disk is formed in the center. This disk can be useful when you want to close the hole formed in the bone after the procedure is completed.
  • a plurality of cutting edges are formed in the cutting portion 30, and as shown in FIG. 2, the plurality of cutting edges 31 (exemplified as having eight cutting edges in FIG. 2) are arranged in a circular shape. It is.
  • the end of the cutting part 30, that is, the end curved surface 32 of the cutting edge 31 is rounded, so that the outer circumference and the inner circumferential edge of the cutting part 30 are rounded, as shown in FIG. Accordingly, even when the cutting edge 31 of the drill is in direct contact with the maxillary sinus membrane, the maxillary sinus membrane can be safely elevated. That is, since the internal structure of the maxillary sinus has an irregular shape, there is a possibility that the cutting edge 31 does not approach in a direction perpendicular to the maxillary sinus membrane, but even in this case, the outer and inner edges of the cutting part 30 are rounded. According to the drill of the present invention, damage to the maxillary sinus membrane can be prevented.
  • the end radius 32 has a round radius of the outer peripheral side edge is larger than the round radius of the inner peripheral side edge.
  • the end curved surface 32 may have a shape in which the round radiuses of the outer circumferential side and the inner circumferential side corner are formed in the same manner as shown.
  • the cross-sectional shape of the end surface 32 may have a semi-circle, semi-ellipse, a square rounded corner (round).
  • each cutting edge 31 is illustrated as having two inclined surfaces, the primary inclined surface 33a and the secondary inclined surface 33b.
  • each cutting edge 31 has a plurality of inclined surfaces
  • the bone chips cut by the cutting edges can be discharged through the chip pocket 34 and at the same time, some bone chips can be supplied to the ends of the cutting portions 30.
  • the present chip can be filled between the cutting edge and the cutting edge.
  • the primary inclined surface 33a of the cutting edge 31 is illustrated as being inclined from the distal curved surface 32. Between the primary inclined surface 33a and the end curved surface 32 following the primary inclined surface 33a (that is, the end curved surface 32 located in the trailing direction of the primary inclined surface 33a) are shown. As step is formed. The larger the step is, the easier the cutting is and the cutting efficiency is improved, but there is a problem that the risk of damage to the mucosa increases when the cutting edge contacts the mucosa. According to the dental drill of the present invention, the step is made small so that the mucous membrane is not damaged even when the cutting edge and the mucous membrane come into contact with each other, and the cutting edge is sharpened by polishing the cutting edge as described below. To improve.
  • the leading edge portion 35 of the cutting edge 31 increases drill cutting force and smoothly discharges bone chips. It is preferable to have a curved shape curved toward the leading direction toward the end of the cutting edge 31 in order to.
  • the distal end 35a of the leading edge portion 35 thus has an approximately gentle hook shape.
  • the distal end portion 35a of the leading edge portion 35 is curved toward the leading direction while having a substantially smooth hook shape, the case having a straight shape or the opposite side of the leading direction, that is, trailing The cutting force can be remarkably improved as compared with the case curved in the trailing direction.
  • the side line 33c generated by cutting the primary inclined surface 33a and the secondary inclined surface 33b extends substantially in the vertical direction, and the end curved surface 32 It can be seen that the) extends substantially in the horizontal direction, and accordingly, the angle A formed between the distal end surface 32 and the side line 33c is approximately 90 degrees.
  • the side edge 33c is formed to be inclined toward the distal end 35a of the leading edge portion 35. It is preferable because the cutting force can be improved. In this way, the angle A formed between the distal end surface 32 and the side line 33c may be smaller than 90 degrees.
  • the angle A is preferably less than or equal to 90 degrees and greater than or equal to 1 degree. Meanwhile, the angle A may be smaller than or equal to 90 degrees and greater than or equal to an angle formed between the distal end surface 32 and the distal end portion 35a of the leading edge portion 35. According to the present invention, the angle formed between the tangent of the distal end surface 32 and the distal end portion 35a of the leading edge portion 35 may be 1 degree or more.
  • the distal curved surface 32 may extend in the horizontal direction or may be formed to be inclined toward the upper right side in FIG. 4B.
  • a chip pocket 34 is formed between the cutting edge 31 and the cutting edge 31 to easily discharge and store bone chips of the cut bone.
  • the chip pocket portion 34 is formed not only on the side of the cutting portion 30 but also on the end surface of the cutting portion 30, that is, the other cutting edge 31 adjacent to the end curved surface 32 of one cutting edge 31. It is also formed between the end surface 32 of the).
  • the hollow part 30a is formed in the cutting part 30.
  • the inner circumferential surface 36 of the cutting portion is formed such that the inner diameter decreases toward the base (i.e., the upper view in FIG. 5) and the inner diameter increases toward the distal end (i.e., the lower view in FIG. 5).
  • the resulting bone can be pressed against the outside of the hollow portion 30a, and the separation of the bone can be performed easily.
  • the inner circumferential surface 36 of the cutting portion may be formed so that the inner diameter is constant.
  • the outer circumferential surface of the cutting portion 30 may also have a different outer diameter at the base and the end so that the surface is inclined, or the outer diameter is constant.
  • one or more openings 37 are formed in the cutting portion 30 to easily remove the bone disk or the bone chip that can be inserted into the hollow portion 30a.
  • the cutting edge is further ground to further sharpen the edge portion of the cutting edge.
  • the part to which grinding is performed is the rounded end surface 32 of the cutting edge end, and can improve cutting performance by this.
  • flexibility can be given to the cutting speed from low speed to high speed, which is preferable.
  • it is easy to collect the chip during low-speed rotation the effect of shortening the treatment time during high-speed rotation can give the operator convenience.
  • the expression that the grinding (or polishing) processing is performed on the cutting edge is generally performed after the mechanical cutting processing used to form the cutting edge of the drill. This may be carried out additionally, which means that the grinding process may be carried out so that the grinding is performed at the same time forming the cutting edge only by the grinding process.
  • Grinding may be performed as a whole about the end surface 32, and grinding may be performed only to the outer peripheral side.
  • the chip pocket portion 34 formed between the cutting edges may be filled with the cut bone chip, and the chip fills the chip pocket portion 34 between the cutting edges. Accordingly, the distal end of the cutting part 30 may have a smooth shape, so that the cutting edge is in contact with the maxillary sinus membrane but may not damage the maxillary sinus membrane. Therefore, even if the cutting edge is ground to sharpen the cutting edge, damage to the mucosa can be prevented.
  • a diameter enlargement portion 11 gradually increasing in diameter is formed so that the drill is suitable. The strength can be maintained.
  • the step part 13 which protruded outwardly and the stop part 15 which protrudes further outward from the base end of this step part 13 are provided.
  • the stopper 40 may be fitted and fixed to the stepped part 13.
  • the stepped portion 13 may have dimensions for fitting the stopper 40 and the stop 15 prevents the stopper 40 from being inserted anymore.
  • the stepped part 13 is formed in the base of the cutting part 30, and the stop part 15 is formed in the diameter expansion part 11 side.
  • a plurality of stoppers 40 having different heights may be provided, and the practitioner may selectively fit the stopper 40 of the appropriate dimension into the stepped portion 13 according to the depth of the hole to be formed by the drill.
  • the stopper 40 may limit the drilling depth, which may make the procedure easier for the operator. In addition, even if an accident such as the sliding of the drill on the bone surface during use of the drill, it is possible to prevent the gum from being damaged by the stopper.
  • the stopper 40 partially enclosing the cutting portion 30 includes an engaging portion 41 having an inner circumferential diameter approximately equal to or larger than an outer circumferential diameter of the stepped portion 13, and an inner circumferential diameter. It includes a fitting preventing portion 45 smaller than the outer peripheral diameter of the stepped portion (13).
  • Coupling portion 41 may be divided into a plurality of pieces by the incision 42 extending up and down as shown in FIGS. 6 and 7.
  • the widths of the pieces or the width of the cutouts formed by dividing by the cutouts may or may not be constant.
  • the cutouts 42 may be formed at equal intervals or may be formed at uneven intervals.
  • a convex protrusion 14 is formed on the base of the stepped portion 13, that is, the surface of the stopped portion 15 side of the stepped portion.
  • a concave portion 43 that can be fitted to the protruding portion 14 is formed.
  • the inner circumferential diameter of the fitting preventing portion 45 is smaller than the outer circumferential diameter of the stepped portion 13 so as to prevent the stopper 40 from being used. It is desirable to make it impossible to insert it upside down. Accordingly, while using the stopper 40 in a state of being coupled upside down by error, it is possible to prevent the accident of dropping the stopper in the mouth of the patient.
  • the end surface of the stopper 40 can be processed so that the end surface is not smooth by forming a plurality of grooves.
  • the stopper 40 fitted to the stepped portion 13 initially rotates together with the stepped portion 13, but the cutting proceeds and the stopper 40 is placed on the bone surface. In contact, the rotation of the stopper 40 may be stopped. The operator can visually confirm the stop of the stopper 40 and recognize that the cutting part 30 has reached a predetermined depth.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Otolaryngology (AREA)
  • Epidemiology (AREA)
  • Transplantation (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne une fraise dentaire destinée à soulever rapidement et en toute sécurité le sinus sans endommager la muqueuse dans celui-ci lors de l'opération sur le sinus. La fraise dentaire selon la présente invention comporte une partie de liaison formée à l'extrémité supérieure d'un corps de façon à être liée à un dispositif d'entraînement, et une partie de coupe formée à l'extrémité inférieure du corps, dotée de lames de coupe servant au fraisage, la partie de coupe comportant une pluralité de lames de coupe disposées en cercle de façon à présenter une forme cylindrique avec un creux évidé à l'intérieur pour permettre le recueil d'un disque principal, et les lames de coupe étant dotées d'une extrémité à surface incurvée à leur extrémité, celle-ci étant arrondie, de façon à pouvoir éviter des dommages à la muqueuse même lorsque le bord circonférentiel extérieur de l'extrémité de la partie de coupe entre en contact direct avec la muqueuse lors du fraisage.
PCT/KR2012/001173 2011-02-17 2012-02-16 Dental drill WO2012111990A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0014081 2011-02-17
KR1020110014081A KR101128730B1 (ko) 2011-02-17 2011-02-17 치과용 드릴

Publications (2)

Publication Number Publication Date
WO2012111990A2 true WO2012111990A2 (fr) 2012-08-23
WO2012111990A3 WO2012111990A3 (fr) 2012-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/001173 WO2012111990A2 (fr) 2011-02-17 2012-02-16 Dental drill

Country Status (3)

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KR (1) KR101128730B1 (fr)
TW (1) TWI472317B (fr)
WO (1) WO2012111990A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2689744A2 (fr) * 2011-03-25 2014-01-29 Innobiosurg Dispositif d'élévation de membrane sous-antrale en toute sécurité en mesure d'ajuster directement une membrane sous-antrale à des fins d'élévation en toute sécurité de la membrane sous-antrale dans une direction souhaitée sur une distance souhaitée, et procédé de fonctionnement utilisant celui-ci
WO2016076740A1 (fr) 2014-11-12 2016-05-19 Pospiech Jarosław Adaptateur de fraise dentaire
WO2024105679A1 (fr) * 2022-11-20 2024-05-23 Dis Remix Ltd Kit dentaire et procédé de réalisation d'une procédure d'élévation du plancher du sinus maxillaire à l'aide d'une approche crestale

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US10039621B2 (en) 2011-03-23 2018-08-07 Huwais IP Holding LLC Autografting osteotome
US9028253B2 (en) 2011-03-23 2015-05-12 Huwais IP Holding LLC Fluted osteotome and surgical method for use
WO2014077920A1 (fr) 2012-11-19 2014-05-22 Salah Huwais Ostéotome autogreffant
KR101516961B1 (ko) * 2012-11-07 2015-04-30 주식회사 네오바이오텍 치아뼈 프로파일링 도구
WO2014093487A1 (fr) 2012-12-11 2014-06-19 Huwais Salah Implant condenseur
KR101621373B1 (ko) 2014-08-08 2016-05-17 주식회사 디오 무피판거상 시술을 위한 상악동 드릴링 키트
WO2017124079A1 (fr) 2016-01-14 2017-07-20 Huwais IP Holding LLC Outil d'auto-greffage à profil de goujure amélioré et procédés d'utilisation
BR112018016056B1 (pt) 2016-02-07 2023-04-18 Huwais IP Holding, LLC Âncora do tipo aparafusada em um material hospedeiro e parafuso pedicular
KR101726588B1 (ko) * 2016-07-29 2017-04-13 주식회사 디메텍 초음파 방식 디스크 수술용 팁 및 초음파 방식 디스크 수술장치
KR101810972B1 (ko) 2016-08-12 2017-12-20 오스템임플란트 주식회사 치과용 드릴
EP3876864B1 (fr) 2018-11-06 2025-02-12 Huwais IP Holding LLC Outil d'autogreffe pour des applications à portée profonde
KR102346872B1 (ko) * 2019-05-21 2022-01-03 황적희 치조정 상악동 거상술용 치과 드릴

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KR100838942B1 (ko) * 2008-02-04 2008-06-16 허영구 상악동막 거상용 드릴
KR20100012570A (ko) * 2008-07-29 2010-02-08 주식회사 메가젠임플란트 임플란트용 천공 드릴
KR101013285B1 (ko) * 2010-04-01 2011-02-09 (주) 시원 드릴비트 및 이를 구비한 드릴

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2689744A2 (fr) * 2011-03-25 2014-01-29 Innobiosurg Dispositif d'élévation de membrane sous-antrale en toute sécurité en mesure d'ajuster directement une membrane sous-antrale à des fins d'élévation en toute sécurité de la membrane sous-antrale dans une direction souhaitée sur une distance souhaitée, et procédé de fonctionnement utilisant celui-ci
EP2689744A4 (fr) * 2011-03-25 2014-04-09 Innobiosurg Dispositif d'élévation de membrane sous-antrale en toute sécurité en mesure d'ajuster directement une membrane sous-antrale à des fins d'élévation en toute sécurité de la membrane sous-antrale dans une direction souhaitée sur une distance souhaitée, et procédé de fonctionnement utilisant celui-ci
WO2016076740A1 (fr) 2014-11-12 2016-05-19 Pospiech Jarosław Adaptateur de fraise dentaire
WO2024105679A1 (fr) * 2022-11-20 2024-05-23 Dis Remix Ltd Kit dentaire et procédé de réalisation d'une procédure d'élévation du plancher du sinus maxillaire à l'aide d'une approche crestale

Also Published As

Publication number Publication date
TW201235015A (en) 2012-09-01
KR101128730B1 (ko) 2012-03-23
WO2012111990A3 (fr) 2012-10-26
TWI472317B (zh) 2015-02-11

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