WO2011046294A2 - Foret pour chirurgie implantaire dentaire - Google Patents

Foret pour chirurgie implantaire dentaire Download PDF

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Publication number
WO2011046294A2
WO2011046294A2 PCT/KR2010/006043 KR2010006043W WO2011046294A2 WO 2011046294 A2 WO2011046294 A2 WO 2011046294A2 KR 2010006043 W KR2010006043 W KR 2010006043W WO 2011046294 A2 WO2011046294 A2 WO 2011046294A2
Authority
WO
WIPO (PCT)
Prior art keywords
cutting edge
drill body
drill
bone
cutting
Prior art date
Application number
PCT/KR2010/006043
Other languages
English (en)
Korean (ko)
Other versions
WO2011046294A3 (fr
Inventor
박광범
류경호
손규석
Original Assignee
주식회사 메가젠임플란트
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 주식회사 메가젠임플란트 filed Critical 주식회사 메가젠임플란트
Publication of WO2011046294A2 publication Critical patent/WO2011046294A2/fr
Publication of WO2011046294A3 publication Critical patent/WO2011046294A3/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A61C1/084—Positioning or guiding, e.g. of drills of implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/06—Tooth grinding or polishing discs; Holders therefor
    • 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
    • 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

Definitions

  • the present invention relates to a drill for an implant procedure, and more particularly to an implant procedure drill capable of removing residual bone remaining in a hole before forming a thread in a hole formed in an alveolar bone.
  • Implants are originally meant to be a substitute for recovery when tissue is lost, but in dentistry, implants are made of artificial teeth.
  • a tooth root made of titanium (titanium) which is not rejected by the human body, is planted in the alveolar bone where the tooth falls out, and the artificial tooth is fixed to restore the function of the tooth.
  • the surrounding teeth and bones are damaged over time, but the implants do not damage the surrounding dental tissues, and they have the advantage that they can be used semi-permanently because they have the same function or shape as natural teeth and do not cause tooth decay.
  • the fixture is coupled to the threaded hole using a predetermined mechanism.
  • the abutment is then fastened to the fixture and the artificial tooth is fixed to the abutment with adhesive.
  • the thread is formed using a tapped drill in the hole of the alveolar bone while the residual bone is not arranged, the thread formation is not applied to the hole formed in the alveolar bone by the residual bone, and in particular, the residual bone at the bottom of the hole formed in the alveolar bone. If the thread is to be formed to leave the thread, an error may occur in the hole depth, thereby causing a problem in the implant procedure itself.
  • An object of the present invention is to provide an implant procedure drill capable of cutting and removing residual bone remaining in the interior of a hole, in particular, the remaining bone remaining in the bottom surface of the hole before forming a thread in the hole formed in the alveolar bone.
  • the remaining bone remaining in the inside of the hole in particular, the remaining bone remaining in the bottom portion of the hole may be removed by removing the thread before the thread is formed in the alveolar bone.
  • FIG. 1 is a perspective view of a drill for implant surgery according to an embodiment of the present invention.
  • FIG. 2 is a front view of the drill for implant treatment of FIG. 1.
  • FIG. 3 is an enlarged view of a portion of FIG. 2.
  • FIG. 4 is a perspective view of a drill for implant surgery according to a second embodiment of the present invention.
  • FIG. 5 is an enlarged view of a partial front view of the drill for implant treatment of FIG. 4.
  • the object of the present invention according to the present invention, the drill body; And a plurality of cutting edges formed at the lower end of the drill body and cutting the remaining bone inside the hole formed in the alveolar bone when the drill body is rotated, and spaced apart from each other along the circumferential direction. Is achieved.
  • the cutting edge may be provided to face outward from the bottom surface of the drill body.
  • the cutting edge may include a first cutting edge disposed in the cross-sectional radial direction of the drill body; And a second cutting edge disposed in a direction crossing the first cutting edge.
  • the imaginary plane connecting the tip portions of the first and second cutting edges may form one surface parallel to the cross section of the drill body.
  • the first cutting edge is formed in a continuous straight line shape, the second cutting edge is such that the contact area with respect to the alveolar bone of the first cutting edge is larger than the contact area with respect to the alveolar bone of the second cutting edge;
  • the first cutting edge may be symmetrically divided from each other and formed.
  • the first and second cutting edges may be formed to be inclined toward the drill body at the tip of the cutting edge, and may have a double inclined portion having different acute angles with respect to the intersecting line in the length direction of the drill body.
  • the double inclined portion may include: a first inclined portion formed to be inclined toward an upper side in the longitudinal direction of the drill body at one end of the cutting portion; And a second inclined portion inclined toward an upper side in the longitudinal direction of the drill body from an end point of the first inclined portion.
  • the inclination angle of the first inclined portion may be 6 ° to 10 °, and the inclination angle of the second inclined portion may be 14 ° to 18 °.
  • the drill body may further include a bone discharge groove formed at a predetermined height in the direction of the drill body from the distal end of the cutting edge to discharge the residual bone cut by the cutting edge.
  • the bone discharge groove may be formed to have a predetermined twist angle with respect to the central axis of the drill body.
  • the first cutting edge and the second cutting edge may be spaced apart from each other at an angle between 10 ° and 90 °.
  • An insertion depth display part may be further formed on an outer circumferential surface of the drill body so as to know an insertion depth of the drill body inserted into the alveolar bone.
  • the insertion depth display portion may be formed in a band shape surrounding the outer circumferential surface of the drill body.
  • FIG. 1 is a perspective view of an implant treatment drill according to a first embodiment of the present invention
  • FIG. 2 is a front view of the implant treatment drill of FIG. 1
  • FIG. 3 is a partially enlarged view of FIG. 2.
  • the implant 100 for the implant procedure the drill body 110, the drill body 110 is formed in the alveolar bone formed by the rotation of the drill body 110
  • a plurality of cutting edges 130 for cutting the remaining bone of the inner bottom portion, and the plurality of cutting edges 130 are formed in the direction of the drill body 110, the discharge of the remaining bones cut by the plurality of cutting edges 130 It includes a bone discharge groove 150 to guide.
  • Drill body 110 may be formed in various sizes of large, medium, small to fit the size of the alveolar bone of the individual, in the present embodiment will be described as a drill body 110 of a large size.
  • the drill body 110 is formed to have a cylindrical shape, the drill body to be connected to the dental handpiece (hand piece) that can rotate the drill body 100 on the opposite end of the one end is formed cutting edge 130 ( It includes a cylindrical shank portion 120 having a smaller cross-sectional size than 100.
  • the other end of the drill body 110 is provided with the shank portion 120 as the upper end, the cutting body 130 is formed drill body 110 It is assumed that one end of the) is the lower end 111.
  • the cutting edge 130 formed on the lower end 111 of the drill body 110 is provided so as to face the outer side in the case of the drill body 110, the first cutting edge disposed in the cross-sectional radial direction of the drill body 110 131 and a second cutting edge 133 disposed in a direction crossing the first cutting edge 131.
  • Cutting edge 130 the number of the cutting edge is formed according to the size of the drill body 110, the case of the drill body 110 and the medium-sized drill body 110 of a large size as in this embodiment 1 includes a first cutting edge 131 and a second cutting edge 133 intersecting with the first cutting edge 131 based on the first cutting edge 131.
  • the first cutting edge 131 and the second cutting edge 133 may be provided in various ways with an angle between 10 ° to 90 ° as the angles spaced apart from each other along the circumferential direction on the bottom surface of the drill body (110).
  • the first cutting edge 131 and the second cutting edge 133 are spaced apart at equal intervals, and the mutually spaced angles are 90 degrees.
  • the virtual plane is formed parallel to the cross section of the drill body (110).
  • the bottom part can be flattened without bending.
  • the first cutting edge 131 is formed by arranging two unit cutting edges in a straight line, and the second cutting edge 133 has two unit cutting edges symmetrical with respect to the first cutting edge 131. It is formed.
  • the contact area with respect to the alveolar bone of the first cutting edge 131 is based on the first cutting edge 131.
  • the contact area with respect to the alveolar bone of the second cutting edge 133 is arranged symmetrically to each other.
  • the second cutting edge 133 is formed of the remaining bone that is not cut by the first cutting edge 131. If the cut or cut residual bone is not discharged, it may help to discharge the cut residual bone.
  • each of the first cutting edge 131 and the second cutting edge 133 is inclined in the direction of the drill body 110 at the cutting edges of the respective cutting edges 131 and 133 and has a double inclined portion 135 having two inclined surfaces. ) Is formed. At this time, the inclination angle of the double inclined portion 135 has a different acute angle with respect to the line crossing with the longitudinal direction of the drill body 110.
  • the first cutting edge 131 and the second cutting edge 133 rotate at a high speed to cut the remaining bone. It is possible to prevent the occurrence of damage and breakage of the cutting edge easily.
  • the inclined portion has a steep inclination angle to help the cutting force and the discharge of the remaining residual bone. If the cutting edge has a high speed rotation, the frictional force of the cutting edge against the high speed rotation is strong, there is a possibility that the cutting edge is easily damaged or broken.
  • the double inclined portion 135 is a cross line between the first inclined portion 135a and the end portion of the first inclined portion 135a which are formed to be inclined toward the direction of the drill body 110 from the distal end line of the cutting edge 130. It includes a second inclined portion 135b which is formed to be inclined toward the direction of the drill body 110 from.
  • the first inclined portion 315a and the second inclined portion 135b may have various inclination angles.
  • the first inclined portion 135a has an inclination angle 135a 'of 8 ° among the inclination angles of 6 ° to 10 °
  • the two inclined portions 135b have an inclination angle 135b 'of 16 degrees among the inclination angles of 14 degrees to 18 degrees.
  • the drill body 110 is formed at a predetermined height in the direction of the drill body 110 from the distal end of the first cutting edge 131 and the second cutting edge 133, the remaining cutting by the cutting edge 130 A bone discharge groove 150 is provided to guide the bone to be discharged. Since the bone discharge groove 150 is formed from the tip of the unit cutting edge of each of the first cutting edge 131 and the second cutting edge 133, the bone discharge groove 150 is provided by the number corresponding to the cutting edge.
  • the bone discharge groove 150 is not formed in the entire length of the drill body 110, but is formed only by a predetermined height, thereby preventing the drill body 110 from being sucked deeply into the alveolar bone even if the drill body 110 rotates at a high speed. Make it work.
  • the bone discharge groove 150 is formed to have a predetermined twist angle with respect to the central axis of the drill body 110. Since the bone discharge groove 150 is formed to have a twist angle, it is cut by the cutting edge 130. Residual bone can be easily harvested.
  • the torsion angle of the bone discharge groove 150 may be variously formed, the torsion angle is to be at least 10 °, in this embodiment the torsion angle of the bone discharge groove 150 is 10 °.
  • the insertion depth display unit 160 is formed on the outer circumferential surface 113 of the drill body 110 to know the insertion depth of the drill body 110 to be inserted into the hole formed in the alveolar bone.
  • the hole formed in the alveolar bone is formed by selecting the depth of the hole to fit the length of the fixture to be inserted into the hole when formed by the Trephine drill.
  • the insertion depth display unit 160 is formed in a strip shape surrounding the outer circumferential surface 113 of the drill body 110.
  • the strip shape may have a predetermined thickness.
  • a plurality of insertion depth indicators 160 should be formed on the outer circumferential surface 113 of the drill body 110.
  • the insertion depth display unit 160 is formed in a band shape having a predetermined thickness, various insertion depths may be displayed even with a small number of insertion depth display units 160.
  • a groove 115 recessed in a linear direction from the first cutting edge 131 and the second cutting edge 133 to the bone discharge groove 150 with respect to the central axis of the drill body 110 may be formed.
  • the recessed groove 115 starts at the tip of the second inclined portion 135b in the case of the first cutting edge 131, and the second cutting edge 133 starts at the tip of the first inclined portion 135a. Since the starting position of the recessed groove 115 is different, the contact area of the second cutting edge 133 with respect to the alveolar bone may be less than the contact area with respect to the alveolar bone of the first cutting edge 131.
  • a hole of a predetermined depth is drilled at a position determined for implant placement of the alveolar bone using a trepine drill (not shown).
  • the depth of the hole to be drilled is formed to match the depth of the fixture to be fastened to the hole.
  • the cutting blade 130 provided at the lower end 111 of the drill body 110 cuts the remaining bone inside the hole by the rotation of the drill body 110. . Since the cutting edge 130 is formed on the bottom surface of the drill body 110, the remaining bone of the bottom portion of the inner hole may be cut to flatten the bottom portion without bending.
  • the drill body 110 When the drill body 110 is inserted into the hole to cut the remaining bone, the drill body 110 is inserted into the insertion depth display unit 160 formed on the outer circumferential surface 113 of the drill body 110 in order to prevent the drill body 110 from being deeper than the depth of the hole drilled by the drill drill. Therefore, you can work while checking the hole depth.
  • the process of cutting the remaining bone is disposed on the lower end surface of the drill body 110 toward the outside, that is, toward the bottom of the hole of the alveolar bone, and the first cutting edge 131 disposed in a direction parallel to the cross section of the drill body 110. And a second cutting edge 133 disposed in a direction crossing the first cutting edge 131.
  • the second cutting edge 133 is cut by the remaining bone or the first cutting edge 131 which is not cut by the first cutting edge 131, It can drain the remaining bones that could not be discharged to the outside.
  • the first cutting edge 131 is formed in a continuous straight line shape
  • the second cutting edge 133 is formed symmetrically with respect to the first cutting edge 133, but of the first cutting edge 131
  • the contact area with respect to the alveolar bone is formed to be larger than the contact area with respect to the alveolar bone of the second cutting edge 133.
  • the drill body 110 In order to cut the remaining bone with the cutting blade 130, the drill body 110 is rotated at a high speed. The cutting blade 130 is damaged or broken by the high speed rotation of the drill body 110 and friction with the hard residual bone. In order to prevent that from happening, the double inclined portion 135 is provided in the direction of the drill body 110 from the front end portions of the first cutting edge 131 and the second cutting edge 133.
  • the double inclination portion 135 includes a first inclination portion 135a having a relatively gentle inclination angle and a second inclination portion 135b having a inclination angle relatively steeper than the first inclination portion 135a. Due to the gentle inclination angle of the part 135a, it is possible to prevent the cutting edge 130 from being easily damaged or broken even in a high speed rotation of the drill body 110.
  • the drill body 110 is formed with a bone discharge groove 150 in the direction of the drill body 110 from the tip of the cutting edge 130.
  • the cut residual bone is guided by the bone discharge groove 150 formed in the drill body 110 when moved by the guide of the second inclined portion 135b of the double inclined portion 135 formed on the cutting edge 130. Can be discharged out of the hall. And the bone discharge groove 150 is formed to have a torsion angle, it is possible to more easily collect the cut residual bone.
  • the cutting edge 130 is formed on the lower end 111 of the drill body 110, the cutting edge 130 is formed with a double inclined portion 135 in the direction of the drill body 110, cutting edge (
  • the bone discharge groove 150 of a predetermined depth in the direction of the drill body 110 from the distal end of the 130, the remaining bone remaining in the interior of the hole formed in the alveolar bone is neatly cut and discharged to the outside of the hole In this way, the inside of the hole and especially the bottom of the inside of the hole can be arranged flatly without bending.
  • the holes arranged in the inside are easier to form a thread with a tap drill, and since there are no remaining bones, there is a side advantage of preventing damage or breakage of drills used in subsequent processes such as a tap drill.
  • FIG. 4 is a perspective view of an implant treatment drill according to a second embodiment of the present invention
  • FIG. 5 is an enlarged view of a part of the front view of the implant treatment drill of FIG. 4.
  • the drill body 210 may be formed in various sizes of large, medium, and small, and the drill body 210 in the present embodiment is formed in a small size.
  • the plurality of cutting edges 230 formed on the drill body 210 is the lower end portion 211 of the drill body 210, unlike the drill body 110 in the first embodiment in the case of a drill body 210 of a small size
  • the first cutting edge 231 is formed in parallel to the cross section of the drill body 210, and the two unit cutting edges are arranged in a continuous straight line.
  • the cutting edge 230 of the drill body 210 of the small size as much as the first embodiment is formed when cutting the remaining bone inside the small sized hole formed in the alveolar bone may cause damage to the alveolar bone. . Therefore, only the first cutting edge 231 is formed in the drill body 210 of a small size in order to prevent excessive cutting force is generated.
  • the present invention can be used in a drill for oral implant surgery.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne un foret pour la chirurgie implantaire dentaire. Le foret pour la chirurgie implantaire dentaire selon la présente invention comprend un corps de foret et une pluralité de lames tranchantes disposées au niveau de l'extrémité inférieure du corps de foret pour couper l'os résiduel dans un trou formé dans l'os alvéolaire durant la rotation du corps de foret, les lames tranchantes étant espacées les unes des autres dans une direction circonférentielle. Selon la présente invention, l'os résiduel dans le trou, particulièrement l'os résiduel sur le fond dans le trou, peut être coupé et retiré avant la formation du filetage dans le trou formé dans l'os alvéolaire.
PCT/KR2010/006043 2009-10-12 2010-09-06 Foret pour chirurgie implantaire dentaire WO2011046294A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0096914 2009-10-12
KR1020090096914A KR101092313B1 (ko) 2009-10-12 2009-10-12 임플란트 시술용 드릴

Publications (2)

Publication Number Publication Date
WO2011046294A2 true WO2011046294A2 (fr) 2011-04-21
WO2011046294A3 WO2011046294A3 (fr) 2011-07-14

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PCT/KR2010/006043 WO2011046294A2 (fr) 2009-10-12 2010-09-06 Foret pour chirurgie implantaire dentaire

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KR (1) KR101092313B1 (fr)
WO (1) WO2011046294A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11471172B1 (en) 2018-12-06 2022-10-18 Gary Bram Osteotomy drill bit to produce an optimally shaped jawbone opening for a dental implant and abutment

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EP2722019A4 (fr) * 2011-06-15 2015-06-03 Neobiotech Co Ltd Trépan pour retirer une vis de couplage d'implant et douille de guidage de celui-ci
KR101205841B1 (ko) * 2011-09-22 2012-11-28 오스템임플란트 주식회사 치과용 드릴, 드릴셋트 및 치조골의 천공방법
KR101271703B1 (ko) * 2012-03-02 2013-06-05 안상훈 임플란트 시술용 확공기
KR101466311B1 (ko) * 2012-05-07 2014-12-02 주식회사 제노스 임플란트용 골 채취 드릴
KR101516949B1 (ko) * 2013-11-06 2015-05-04 주식회사 디오 본 플레이트닝 드릴장치
KR101747384B1 (ko) 2017-05-02 2017-06-14 김동섭 재사용이 방지된 임플란트 식립용 드릴
CN107928817B (zh) * 2017-11-15 2023-12-29 广东健齿生物科技有限公司 一种用于牙种植技术的离心钻头
KR20190116604A (ko) * 2018-04-04 2019-10-15 이태경 치과 임플란트 수술용 드릴 비트
TWD198277S (zh) 2018-06-11 2019-06-21 陳俊龍 五階植牙鑽頭
KR102533051B1 (ko) * 2022-11-17 2023-05-16 주식회사 덴탈스튜디오 상악동 점막 거상용 드릴 조립체
KR102638863B1 (ko) * 2023-03-31 2024-02-22 이젠임플란트 주식회사 치아 임플란트용 드릴장치

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FR2676639A1 (fr) 1991-05-21 1992-11-27 Peltier Patrick Perfectionnements aux forets helicouidaux pour la chirurgie osseuse, en particulier pour la chirurgie dentaire.
US5261818A (en) 1992-07-13 1993-11-16 Leon Shaw Multi-fluted dental irrigation drill
FR2702164B1 (fr) 1993-03-01 1995-06-02 Sylvain Bordes Foret pour la pose d'un implant dentaire notamment.
US6319005B1 (en) * 2000-09-18 2001-11-20 Biolok International Inc. Dental irrigation drill with internal anti-backwash baffle
KR100924092B1 (ko) * 2007-11-30 2009-11-02 김영기 임플란트 시술용 확공기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11471172B1 (en) 2018-12-06 2022-10-18 Gary Bram Osteotomy drill bit to produce an optimally shaped jawbone opening for a dental implant and abutment

Also Published As

Publication number Publication date
KR20110039880A (ko) 2011-04-20
KR101092313B1 (ko) 2011-12-09
WO2011046294A3 (fr) 2011-07-14

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