WO2017204479A1 - Butée d'implant présentant une structure de prévention du desserrage de vis - Google Patents

Butée d'implant présentant une structure de prévention du desserrage de vis Download PDF

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Publication number
WO2017204479A1
WO2017204479A1 PCT/KR2017/004926 KR2017004926W WO2017204479A1 WO 2017204479 A1 WO2017204479 A1 WO 2017204479A1 KR 2017004926 W KR2017004926 W KR 2017004926W WO 2017204479 A1 WO2017204479 A1 WO 2017204479A1
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WO
WIPO (PCT)
Prior art keywords
abutment
screw
fixture
implant
loosening prevention
Prior art date
Application number
PCT/KR2017/004926
Other languages
English (en)
Korean (ko)
Inventor
황현석
Original Assignee
황현석
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 황현석 filed Critical 황현석
Publication of WO2017204479A1 publication Critical patent/WO2017204479A1/fr

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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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • 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
    • A61C8/0018—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 shape
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw

Definitions

  • the present invention relates to an implant abutment having a screw loosening prevention structure, and more particularly, an implant that prevents the abutment from being loosened from the fixture even if vibration is applied after screwing and fixing the implant abutment to the fixture. It is about dragon abutment.
  • the human tooth is a secondary function for digestion by chopping or crushing food, and if the tooth is damaged, it is difficult to chew the food properly, so it is not digested well. Since it is difficult, it has been recognized as one of the body's fivefold.
  • Such implants are a fixture that corresponds to the root of a natural tooth, a crown that is the final prosthesis of the tooth, and an abutment that connects the fixture and the crown. And the like.
  • the fixture is implanted in the alveolar bone, the abutment is fastened to the implanted fixture, the crown is configured to be fixed.
  • the abutment fixed to the fixture includes a one-piece or two-piece abutment.
  • the implant abutment is planted in the alveolar bone where the tooth is pulled out through the fixture joint, and then fused into the bone.
  • the crown which is coupled into the fixture and acts as an artificial tooth, is connected to the crown connection at its upper side.
  • the abutment for the implant is a structure that is screwed integrally with the fixture fastening portion, and there is a structural problem inevitably vulnerable to screw loosening when vibration is applied after the implant procedure.
  • the abutment for the implant is a hollow fastening portion formed in the interior of the fixture, the abutment It is fastened by a screw.
  • the abutment without female screws is supported on the fixture and the abutment screw is fastened to form a single fastening, which is also a structural problem that is vulnerable to screw loosening when vibration is applied after the implant procedure. There is.
  • the conventional implant described in the above references may cause complications such as unscrewing and fracture of the abutment connecting the crown and fixture by the force applied to the prosthetic crown due to prolonged chewing activity. Can be.
  • an object of the present invention is to provide an implant abutment having a structure that can prevent the screw loosening of the abutment connecting the fixture even during vibration after the implant procedure. have.
  • the present invention has an object to provide an implant abutment that can prevent the complications such as screw fracture, loss of chewing function, gum gums due to frequent screw loosening due to long-term chewing activity ( ⁇ ⁇ ) .
  • the present invention to solve this technical problem
  • An abutment body having a crown connecting portion connected to a crown at an upper side of the body, and having a screw portion extending from a lower portion to a female thread of the fixture at a central lower portion of the body;
  • the abutment for the implant having a screw loosening prevention structure, characterized in that consisting of; screwed so that the lower end of the screw portion of the abutment body is coupled to the fixture and the outer peripheral surface is loosened nut seated on the seating portion of the fixture;
  • the top of the crown connection portion is characterized in that the fastening groove is formed.
  • the soft tissue connecting portion protrudes along the lower edge of the body.
  • the loosening nut is formed so that the screw hole for screwing the screw portion of the abutment body in the center of the body to penetrate up and down, the outer peripheral surface of the body of the loosening prevention nut to be in close contact with the mounting portion of the fixture It is characterized in that the contact surface extending toward the upper portion is formed.
  • An abutment screw having a head formed at an upper end thereof and a screw part formed at a lower end of the head formed with a male thread;
  • a crown connection part is formed at an upper side of the body to connect a crown, which is a prosthesis, and a through part is formed in the center of the body to penetrate the screw part of the abutment screw in a vertical direction, and a lower part of the abutment screw is formed below the through part.
  • a screw hole is formed to be screwed so that the lower end of the screw portion is exposed to the lower body, and the abutment body is formed on the lower outer peripheral surface of the body to be in close contact with the fixing portion of the fixture; It also offers abutments for implants.
  • the abutment screw is a head portion is formed on the top, the screw portion is formed in the male thread is formed in the lower portion of the head, characterized in that the top of the head is formed with a tightening groove.
  • the soft tissue connecting portion is formed along the outer peripheral surface or the middle outer peripheral surface of the body of the abutment body is formed protruding.
  • the screw when the abutment is fixed to the fixture, the screw is coupled and tightened in a double way to push the opposite force in the opposite direction between the abutment and the fixture to prevent loosening of the screw and fracture of the screw part.
  • the abutment body is fixed by fixing the abutment body to the fixture by a double screw fastening method of fastening the release preventing nut to the abutment body or forming a screw hole in the abutment body to fasten the abutment screw.
  • the force pushing against each other in the reverse direction between the fixture and the fixture prevents the abutment from loosening from the fixture even when external vibration is applied, preventing the abutment from shaking and introducing foreign matter through the gap between the abutment and the fixture. It is effective to prevent the complications caused by.
  • the present invention can be effectively used to prevent recurrence of screw loosening by using only the structure of the existing fixture as it is and improving the structure of the abutment applied thereto.
  • FIG. 1 is a perspective view illustrating a state in which an implant abutment having a screw loosening structure according to an embodiment of the present invention is coupled to a fixture.
  • Figure 2 is a perspective view showing the disassembled state of the implant abutment and fixture with a screw loosening prevention structure according to an embodiment of the present invention.
  • FIG 3 is a view illustrating another structure of the implant abutment having a screw loosening prevention structure according to an embodiment of the present invention.
  • Figure 4 is an exploded cross-sectional view of the implant shown to explain the structure of the implant abutment with a screw loosening prevention structure according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the implant shown in order to explain the structure of the implant abutment having a screw loosening prevention structure according to an embodiment of the present invention.
  • FIG. 6 is a perspective view illustrating a state in which an implant abutment having a screw loosening structure according to another embodiment of the present invention is coupled to a fixture.
  • FIG. 7 is a perspective view illustrating an exploded state of an implant abutment and fixture having a screw loosening structure according to another embodiment of the present invention.
  • FIG. 8 is an exploded cross-sectional view of the implant shown to explain the structure of the implant abutment with a screw loosening prevention structure according to another embodiment of the present invention.
  • FIG. 9 is a view showing for explaining the structure of the implant abutment having a screw loosening prevention structure according to another embodiment of the present invention.
  • FIG. 1 to 5 is a view showing an implant abutment having a screw loosening structure according to an embodiment of the present invention, which relates to a one-piece type abutment.
  • the implant abutment 100 having a screw loosening prevention structure constitutes an implant 1 and has a male thread 11 formed on an outer circumferential surface thereof so as to be implanted in the alveolar bone 2. It is preferable to be made of titanium (Titanium), which is coupled to the (10) and serves as a support for fixing the crown (Crown) (20), which is the final prosthesis in the upper part and is excellent in rigidity and excellent corrosion resistance.
  • the fixture 10 is a bone adhesion so as to be completely fixed to the alveolar bone (1) like the root of natural teeth, and after being bonded to the upper portion of the fixture 10 of the implant, the seating portion on the upper portion of the body (11) 12 is formed and a female thread 14 is formed at the center lower portion of the seating portion 12.
  • a male screw thread 16 is formed on the outer circumferential surface of the body 11, and the seating portion 12 has a structure in which an inner diameter thereof is extended, and a female screw thread 14 is disposed at the center lower portion of the seating portion 12. Is formed.
  • the abutment 100 coupled to the fixture 10 has an abutment in which a crown connection portion 112 is connected to the crown 20 which is connected to the prosthesis on the upper side, and a screw portion 114 is formed at the center lower portion thereof.
  • the body 110 and the screw portion 114 of the abutment body 110 are screwed so as to expose the lower end of the anti-loosening nut 120 is seated on the seating portion 12 of the fixture 10 It is composed.
  • the screw portion 114 of the abutment body 110 is a structure in which the lower end of the screw portion 114 is exposed in the state that the loosening prevention nut 120 is screwed, the lower end of the screw portion 114 is It is screwed to the female thread 14 of the fixture 10.
  • the abutment body 110 has a structure in which a lower portion of the body 111 is coupled to the fixture 10 and an upper portion of the abutment-shaped crown 20 is coupled to the upper portion of the body 111.
  • the crown connection portion 112 to which the in crown 20 is connected is formed, and a screw portion 114 having a lower end screwed to the female threaded portion 14 of the fixture 10 is formed at the center lower portion thereof.
  • the crown connecting portion 112 is made of a structure in which the outer diameter is reduced toward the upper side and the tightening groove 113 is formed on the top.
  • the tightening groove 113 may be formed in a polygonal shape such as hexagon and square to tighten the abutment body 110 with a wrench when screwing the fixture 10 to the fixture 10.
  • the tightening groove 113 may be made of a shovel or a straight shape to use a screwdriver in addition to the wrench groove shape.
  • the soft tissue connecting portion 116 may protrude along the bottom edge of the body 111. This is because when the abutment body 110 is fastened to the fixture 10, the soft tissue connection part 116 comes into contact with the soft tissue 3 of the gum so that there is a gap between the soft tissue 3 of the gum and the abutment body 110. It prevents it from happening.
  • the loosening prevention nut 120 is screwed to the screw portion 114 of the abutment body 110 is tightly coupled.
  • the anti-loosening nut 120 is formed such that a screw hole 122 through which the screw portion 114 of the abutment body 110 is screwed is inserted through the center of the body 121.
  • the mounting portion 12 of the fixture 10 is a structure that the inner diameter is in the upper and lower narrow structure such that the body 121 of the loosening prevention nut 120 to be in close contact with the mounting portion 12 of the fixture (10).
  • the outer circumferential surface is formed with a close contact surface 124, the outer diameter is extended toward the upper portion.
  • the loosening prevention nut 120 has a chamfer 126 such as a hexagon or a square formed on an outer circumferential surface of the bottom of the body 121, and uses the tool such as a spanner to make the abutment body 110. It can be screwed to the screw portion 114 of the).
  • the chamfered portion 126 may be formed on the outer peripheral surface of the middle portion of the body 121, as shown in FIG.
  • the screw portion 114 of the abutment body 110 constituting the abutment 100 is screwed into the screw hole 122 of the anti-loosening nut 120 to be integrally coupled. In this case, the lower end of the screw 114 is exposed.
  • the female thread is formed at the lower center of the seating portion 12 of the fixture 10 to be preferentially placed in the alveolar bone 2 while the abutment body 110 and the release preventing nut 120 are integrally screwed together. Screw the lower end of the screw portion 114 to (14).
  • the fastening structure is first fastened the anti-loosening nut 120 to the abutment body 110 and then screwed to the fixture 10 as compared to the conventional method of directly screwing the integral abutment directly to the fixture (10).
  • the fixing force is applied between the abutment body 110 and the fixture 10 in the opposite direction, the abutment 100 is prevented from being released from the fixture 10 even when external vibration is applied.
  • Figures 6 to 9 is a view showing an implant abutment with a screw loosening structure according to another embodiment of the present invention relates to a two-piece type abutment.
  • the fixture 10 to which the implant abutment 200 having the screw loosening structure according to the present invention is fixed is mounted on the upper portion of the body 11 as described in the embodiments of FIGS. 1 to 5.
  • 12 is formed and a female screw thread 14 is formed at the center lower portion of the seating portion 12.
  • a male screw thread 16 is formed on the outer circumferential surface of the body 11, and the seating portion 12 has a structure in which an inner diameter thereof is extended, and a female screw thread 14 is disposed at the center lower portion of the seating portion 12. Is formed.
  • the abutment 200 coupled to the fixture 10 has a head portion 212 formed at the top and a screw portion 214 formed with a male thread formed at the bottom of the head portion 212.
  • the screw screw 210 and the crown connection portion 222 to which the crown 20 as the prosthesis is connected is formed on the upper side of the body 221 and the center of the body 221 of the abutment screw 210 in the vertical direction.
  • a through part 224 through which the screw part 214 penetrates is formed, and a lower end of the screw part 214 of the abutment screw 210 is exposed below the body part 211 under the through part 224.
  • the abutment body 220 is formed with a screw hole 225 to be screwed to form a close contact portion 226 is formed on the seating portion 12 of the fixture 10 on the lower outer peripheral surface of the body 221. do.
  • the abutment screw 210 has a head portion 212 is formed at the top and a screw portion 214 is formed with a male thread is formed in the lower portion of the head portion 212.
  • a fastening groove 216 is formed at the top of the head 212 of the abutment screw 210.
  • the tightening groove 216 is formed in a polygonal shape such as hexagon, square, etc. to tighten the abutment screw 210 penetrating the abutment body 220 to the fixture 10 using a wrench or the like. Can be.
  • the tightening groove 216 may be made of a shovel or a straight shape to use a screwdriver in addition to the wrench groove shape.
  • the abutment body 220 is a lower portion is coupled to the fixture 10, the upper portion is a structure that is coupled to the crown 20 of the final prosthesis of the tooth shape, the crown of the prosthesis on the upper side of the body (221) Crown connection portion 222 is connected to the 20 is formed, the outer side is reduced in the lower side of the body 221 toward the lower side is formed in the close contact portion 226 is seated on the seating portion 12 of the fixture (10). do.
  • the soft tissue connection part 228 may be formed to protrude along the outer circumferential surface of the body 210 of the abutment body 220. This is because when the abutment body 220 is fastened to the fixture 10, the soft tissue connection part 228 is in contact with the soft tissue 3 of the gum so that a gap occurs between the soft tissue 3 of the gum and the abutment body 220. It prevents you from doing it.
  • a through hole 224 is formed in the body 221 of the abutment body 220 up and down, and the lower side of the through part 224 is divided by a support jaw 224a and a screw hole having an reduced inner diameter ( 225 is formed.
  • the abutment screw 210 penetrates the through part 224 so that the head part 212 is supported by the support jaw 224a even when the screw part 214 of the abutment screw 210 is screwed to the screw hole 225. Is supported). Accordingly, when the abutment screw 210 is inserted into the through part 224 of the abutment body 220, the head 212 of the abutment screw 210 is formed below the through part 224. It is supported by the support jaw 224a to prevent separation.
  • a chamfer 229 such as a hexagon or a square, is formed on an outer circumferential surface of the lower end of the contact portion 226 formed under the body 221, and the screw portion of the abutment screw 210 is formed using a tool such as a spanner. Screwed to (214).
  • the chamfering portion 229 may be formed on the middle outer circumferential surface of the close contact portion similar to the loosening prevention nut shown in FIG.
  • the abutment body 220 constituting the abutment 200 is brought into close contact with the seating portion 12 of the fixture 10 to be preferentially placed in the alveolar bone 2.
  • the abutment screw 210 penetrates the through part 224 of the abutment body 220 to screw the screw part 214 into the screw hole 225 of the abutment body 220. Advance the lower end of the (214) to the lower portion of the abutment body 220, and screw the lower end of the screw portion 214 to the female thread 14 formed in the center lower portion of the seating portion 12 of the fixture 10 Combine
  • the fastening structure is a force that pushes each other in the opposite direction between the abutment body 220 and the fixture 10 as the screw portion 214 is continuously screwed and fixed to the abutment body 220 and the fixture 10. This action prevents the abutment 100 from being released from the fixture 10 even when external vibration is applied.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & 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)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne une butée d'implant présentant une structure de prévention du desserrage de vis, et fournit une butée d'implant présentant une structure de prévention du desserrage de vis, la butée présentant un corps de butée fixé à une fixation par un procédé d'accouplement double vis de manière à accoupler un écrou de prévention de desserrage au corps de butée ou à former un trou de vis au niveau du corps de butée afin de lui accoupler une vis de butée, de sorte que, même si une vibration externe est appliquée du fait des forces poussant l'une contre l'autre dans des sens opposés qui agissent entre le corps de butée et la fixation, la butée ne puisse être desserrée de la fixation, empêchant ainsi la butée de se déplacer et de permettre des complications et similaires, provoquées par l'entrée de corps étrangers et similaires à travers un espace compris entre la butée et la fixation.
PCT/KR2017/004926 2016-05-27 2017-05-12 Butée d'implant présentant une structure de prévention du desserrage de vis WO2017204479A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0065752 2016-05-27
KR1020160065752A KR101714974B1 (ko) 2016-05-27 2016-05-27 나사풀림방지 구조를 갖춘 임플란트용 어버트먼트

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Publication Number Publication Date
WO2017204479A1 true WO2017204479A1 (fr) 2017-11-30

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PCT/KR2017/004926 WO2017204479A1 (fr) 2016-05-27 2017-05-12 Butée d'implant présentant une structure de prévention du desserrage de vis

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KR (1) KR101714974B1 (fr)
WO (1) WO2017204479A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102002752B1 (ko) * 2019-03-11 2019-10-01 나영성 나사풀림방지기능을 갖는 임플란트조립체

Families Citing this family (12)

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KR101714974B1 (ko) * 2016-05-27 2017-03-09 황현석 나사풀림방지 구조를 갖춘 임플란트용 어버트먼트
KR101937299B1 (ko) 2018-04-18 2019-01-11 (주) 코웰메디 치과용 임플란트
JP6996747B2 (ja) * 2018-08-31 2022-01-17 ハードロック工業株式会社 緩み止め機能を有するねじ締結構造
KR101965332B1 (ko) * 2018-12-06 2019-04-03 정길용 투피스 힐링어버트먼트용 하부체 및 이를 포함하는 힐링어버트먼트
KR102021101B1 (ko) 2019-03-25 2019-09-16 신세기메디텍(주) 풀림방지 기능을 갖는 임플란트 모듈
KR102304199B1 (ko) * 2020-12-09 2021-09-24 이노덴 주식회사 비접착식 압정형 어버트먼트 및 이를 구비한 임플란트
KR102304798B1 (ko) * 2020-12-10 2021-09-27 이노덴 주식회사 모래시계형 어버트먼트 및 이를 이용한 크라운 제작방법
KR102554857B1 (ko) 2022-03-29 2023-07-12 아이핸즈코퍼레이션 주식회사 풀림 및 회전 방지 기능이 구비된 임플란트용 어버트먼트
KR102541904B1 (ko) * 2022-10-31 2023-06-13 이노덴 주식회사 치과용 임플란트 구조물
KR20240061969A (ko) * 2022-11-01 2024-05-08 주식회사 사이버메드 무접착 치과용 임플란트
KR102598006B1 (ko) 2023-03-06 2023-11-06 이노덴 주식회사 치과용 임플란트 시스템
KR102623833B1 (ko) * 2023-05-11 2024-01-11 김일훈 임플란트용 디지털 보철 시스템

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US20080227058A1 (en) * 2007-03-18 2008-09-18 Ben-Zion Karmon Angulated abutment
KR101331496B1 (ko) * 2012-04-18 2013-11-20 공지현 임플란트 장치
KR101429659B1 (ko) * 2013-02-20 2014-08-13 오스템임플란트(주) 치과용 임플란트 지대주 및 이를 가지는 임플란트 조립체
KR20160009325A (ko) * 2014-07-16 2016-01-26 (주) 에이앤비바이오메디 몸체와 고정부재의 결합력이 향상된 어버트먼트
KR101714974B1 (ko) * 2016-05-27 2017-03-09 황현석 나사풀림방지 구조를 갖춘 임플란트용 어버트먼트

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080227058A1 (en) * 2007-03-18 2008-09-18 Ben-Zion Karmon Angulated abutment
KR101331496B1 (ko) * 2012-04-18 2013-11-20 공지현 임플란트 장치
KR101429659B1 (ko) * 2013-02-20 2014-08-13 오스템임플란트(주) 치과용 임플란트 지대주 및 이를 가지는 임플란트 조립체
KR20160009325A (ko) * 2014-07-16 2016-01-26 (주) 에이앤비바이오메디 몸체와 고정부재의 결합력이 향상된 어버트먼트
KR101714974B1 (ko) * 2016-05-27 2017-03-09 황현석 나사풀림방지 구조를 갖춘 임플란트용 어버트먼트

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102002752B1 (ko) * 2019-03-11 2019-10-01 나영성 나사풀림방지기능을 갖는 임플란트조립체

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