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WO2018034459A1 - Implant dentaire - Google Patents

Implant dentaire Download PDF

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Publication number
WO2018034459A1
WO2018034459A1 PCT/KR2017/008668 KR2017008668W WO2018034459A1 WO 2018034459 A1 WO2018034459 A1 WO 2018034459A1 KR 2017008668 W KR2017008668 W KR 2017008668W WO 2018034459 A1 WO2018034459 A1 WO 2018034459A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
fixture
abutment
center
center guide
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2017/008668
Other languages
English (en)
Korean (ko)
Inventor
김만용
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2018034459A1 publication Critical patent/WO2018034459A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61C8/0048—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
    • 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
    • A61C8/0022—Self-screwing
    • 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
    • A61C8/0051—Abutment monobloc with restoration
    • 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
    • A61C8/0066—Connecting devices for joining an upper structure with an implant member, e.g. spacers with positioning means

Definitions

  • the present invention relates to a dental implant, and more particularly, by forming a center guide means in the connector for fixing and fixing the abutment to the fixture, a tool (eg, reverse screw) for withdrawing the connector when the connector is broken It relates to a dental implant that allows the center of the tab to be removed so that the broken connector can be easily removed.
  • a tool eg, reverse screw
  • an implant means a replacement that is originally restored when human tissue is lost, but in the dentist refers to the implantation of artificial teeth.
  • the roots (fixtures) made of titanium, etc. which are not rejected by the human body are planted in the alveolar bone where the teeth fall out, and the artificial teeth (crown) are fixed to restore the function of the teeth. It is a procedure to make.
  • Implants also enhance the function of dentures and improve the esthetic aspects of dental prosthetic restorations, as well as in single missing restorations. Furthermore, it disperses excessive stress on surrounding supportive bone tissue and helps stabilize teeth.
  • grooves matching the dimensions of the fixture 5 are formed by drilling and tapping the alveolar bone 2 and fastening a mount on the upper portion of the fixture 5. . Then, using the surgical handpiece, the fixture 5 and the mount are embedded in the alveolar bone 2 and then the mount is removed from the fixture 5, thereby fixing the fixture 5 in the alveolar bone 2. . The first operation is completed by fastening the cover screw to the upper portion of the fixture 5 to seal the fixture 5.
  • the cover screw blocks bacteria and foreign matter present in the oral cavity from entering the fixture 5 while waiting for the bone fusion of the fixture 5.
  • Bone fusion periods vary somewhat depending on the bone quality and location of the patient, but generally take three to six months.
  • a healing abutment (Healing Abutment) is fastened to the upper part of the fixture 5 to form an aesthetic gum 3, and waits for 2 to 3 weeks.
  • a first procedure of directly fastening the healing abutment and omitting the process of fastening and removing the cover screw is sometimes used.
  • the healing abutment is removed, and an impression coping is fastened to the upper portion of the fixture 5 to produce a prosthesis.
  • the impression material is then used to take a preliminary impression in the oral cavity and to remove the impression coping.
  • a tooth model is manufactured, the artificial tooth (crown) 7 is pore-separated, the abutment 6 is fastened to the upper portion of the fixture 5, and the abutment 6 is placed on the top of the abutment 6.
  • the artificial tooth 7 is completed by fixing the artificial tooth 7.
  • a connector 4 such as a screw is used to couple the abutment 6 to the fixture 5.
  • the upper part of the connector 4 is caught inside the abutment 6, and the lower part is screwed into the fixture 5.
  • the fracture of the connector 4 is often caused by the accumulation of metal fatigue of the connector 4, wherein the fractured connector 4 left inside the fixture 5 is a tool (reverse thread tap, etc.). It is removed using.
  • the method of removing the fractured connector 4 first to form a hole of a predetermined depth using a drill or the like in the center of the fracture surface of the fractured connector 4 in order to center the tool (reverse thread tap), When the tool (reverse thread tap) is inserted into the formed hole while being rotated in the reverse direction, the broken connector 4 is removed while being unscrewed.
  • An object of the present invention for solving the above-described problems, by forming a center guide means in the connector for fixing and fixing the abutment to the fixture, a tool for drawing out the connector when the connector is broken (reverse thread tap) It is to provide a dental implant that can be used to hold the center of the joint so that the broken connector can be easily removed.
  • the fixture placed in the alveolar bone the abutment disposed on the end of the fixture to support the artificial tooth, and the connector to connect and fix the abutment to the fixture It is formed on the connector, characterized in that it comprises a center guide means for holding the center of the tool for withdrawing the connector when the connector is broken.
  • the present invention by forming the center guide means in the connector for fixing and fixing the abutment to the fixture, by holding the center of the tool (reverse thread tap) for drawing out the connector when the connector is broken, the broken connector is easily Can be removed.
  • FIG. 1 is a cross-sectional view showing a conventional dental implant
  • FIG. 2 is a cross-sectional view illustrating a case in which the connector is broken in FIG. 1;
  • FIG. 3 is a cross-sectional view showing a dental implant according to the present invention.
  • FIG. 4 is a cross-sectional view illustrating a case in which the connector is broken in FIG. 3;
  • FIG. 5 is a cross-sectional view illustrating a case in which a connector broken in FIG. 4 is removed by a tool
  • FIG. 6 is a cross-sectional view showing another embodiment of a dental implant according to the present invention.
  • FIG. 7 is a cross-sectional view illustrating a case in which a connector is broken in FIG. 6;
  • FIG. 8 is a cross-sectional view showing another embodiment of a dental implant according to the present invention.
  • FIG. 9 is a cross-sectional view illustrating a case in which the connector is broken in FIG. 8.
  • the dental implant 10 comprises a fixture 20, an abutment 30, a connector 40, and a center guide means 50.
  • the fixture 20 penetrates the gum 3 to be implanted in the alveolar bone 2 at a predetermined depth to form an artificial tooth root.
  • a tab is formed on an outer circumferential surface of the fixture 20 to be screwed to the alveolar bone 2, and a coupling hole 21 is formed to be coupled to the connector 40 inside the upper end of the fixture 20.
  • the coupling hole 21 corresponds to the shape of the connector 40. That is, when the connector 40 is formed in a screw shape as shown in FIGS. 3 and 6, the coupling hole 21 also has a connector 40. Tabs are formed on the inner circumferential surface of the coupling hole 21 to enable screwing, and when the connector 40 is formed in a forced press form as shown in FIG. 8, the coupling hole 21 may also be forced into the connector 40. Can be formed into a structure.
  • the abutment 30 is disposed at the end of the fixture 20 to support the artificial tooth 60.
  • One end of the abutment 30 is inserted and coupled to the artificial tooth 60, and the other end is seated on the fixture 20.
  • the connector 40 connects and fixes the abutment 30 to the fixture 20.
  • the connector 40 may be configured separately or integrally with the abutment 30, and the following three embodiments will be described as an example.
  • the connector 40 and the abutment 30 are separately configured as shown in FIG. 3, and the connector 40 allows the abutment 30 to be coupled to the fixture 20.
  • the center guide means 50 is formed inside the screw 41.
  • the connector 40 When the connector 40 is formed of a separate screw 41, the connector 40 includes a head portion 41a caught by the abutment 30 and a screw portion 41b screwed to the fixture 20.
  • the center guide means 50 is formed inside the screw portion 41b among the screws 41.
  • the abutment 30 is formed inside the insertion groove 31 is inserted into the head 41a of the connector 40 is caught.
  • the abutment 30 is fixedly coupled to the fixture 20 by using the connector 40 having the separate screw shape while the abutment 30 is seated on the fixture 20. Let's go.
  • the connector 40 couples the abutment 30 to the fixture 20.
  • the center guide means 50 is formed inside the screw portion (32).
  • the connector 40 in the form of the screw portion 32 is formed integrally with the lower portion of the abutment 30 is screwed with the fixture (20).
  • the abutment 30 is fixed by screwing the connector 40 in the form of a screw part 32 formed integrally with the lower part of the abutment 30 to the coupling hole 21 of the fixture 20. It can be simply coupled to the chew 20.
  • the connector 40 and the abutment 30 are integrally formed, and the connector 40 forces the abutment 30 into the fixture 20. It consists of a press-fit portion 33 to be coupled to, the center guide means 50 is formed in the press-in portion 33.
  • the connector 40 in the form of the press-fitting portion 33 is integrally formed at the lower portion of the abutment 30 and is forcibly pressed into the fixture 20 and coupled thereto.
  • the abutment 30 is formed by forcibly pressing and coupling the connector 40 in the form of a press-fit part 33 formed integrally with the lower part of the abutment 30 into the coupling hole 21 of the fixture 20. ) Can be simply coupled to the fixture 20.
  • the three embodiments are shown as an example, and in addition, the shape of the connector 40 for connecting the abutment 30 to the fixture 20 may be variously configured.
  • center guide means 50 is formed in the connector 40 to hold the center of the tool 70 for withdrawing the connector 40 when the connector 40 is broken.
  • the tool 70 is a reverse thread tap, which is a tool for processing the tab on the connector 40 by rotating in the opposite direction of the direction in which the connector 40 is screwed.
  • the broken connector 40 is loosened and can be removed from the fixture 20.
  • center guide means 50 is formed by forming a center guide hole 51 in the center position of the connector (40).
  • the center guide hole 51 is formed with a predetermined length in the longitudinal direction of the connector 40.
  • the center guide hole 51 is formed by a predetermined length in an upward direction from the bottom surface of the connector 40.
  • the center guide hole 51 is preferably formed to overlap with the fracture section of the connector (40).
  • the center guide hole 51 of the predetermined length should be formed so as to overlap with the fracture section (fracture position) of the connector 40, the center guide at the fracture surface center position of the connector 40 at the time of fracture of the connector 40 The hole 51 is visible.
  • the center guide hole 51 is formed at the center position of the fracture surface of the connector 40, the fractured connector 40 remaining in the fixture 20 is removed.
  • the center of the reverse thread tap can be accurately positioned at the center of the connector 40 by the center guide hole 51 of the fracture surface. ) Also grasps the center of the reverse thread tap can easily remove the broken connector (40).
  • various tools such as a reverse thread drill as well as a reverse thread tap can be used.
  • the center guide hole 51 may be formed in a variety of shapes, such as circular, as well as non-circular, triangular, square, cross, hexagon, octagonal.
  • the connector 40 is manufactured in a state where the center guide hole 51 is formed. Thereafter, the abutment 30 is connected and fixed to the fixture 20 by using the connector 40.
  • the fractured connector 40 remains in the fixture 20 and thus is removed by a tool 70 such as a reverse thread tap.
  • the reverse screw tab is rotated in the reverse direction while the reverse thread tab is positioned at the center guide hole 51 at the center of the fracture surface of the connector 40 to process the tab on the connector 40.
  • the broken connector 40 is removed while being unscrewed from the fixture 20.
  • the present invention is a dental implant which is a medical accessory used for implant treatment, there is industrial applicability.

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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)
  • Plastic & Reconstructive Surgery (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne un implant dentaire et, plus particulièrement, un implant dentaire ayant un moyen de guidage central, qui est formé au niveau d'un connecteur pour relier et fixer une butée à un dispositif de fixation, maintenant ainsi le centre d'un outil (par exemple, une prise à vis à filetage inverse) pour retirer le connecteur lorsqu'il est cassé, et ainsi le connecteur fracturé peut être facilement enlevé.
PCT/KR2017/008668 2016-08-16 2017-08-10 Implant dentaire Ceased WO2018034459A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0103390 2016-08-16
KR1020160103390A KR20180019264A (ko) 2016-08-16 2016-08-16 치과용 임플란트

Publications (1)

Publication Number Publication Date
WO2018034459A1 true WO2018034459A1 (fr) 2018-02-22

Family

ID=61196865

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/008668 Ceased WO2018034459A1 (fr) 2016-08-16 2017-08-10 Implant dentaire

Country Status (2)

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KR (1) KR20180019264A (fr)
WO (1) WO2018034459A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951287A (en) * 1997-04-17 1999-09-14 Hawkinson; Roy T. Dental implant failed fastener recovery systems, devices and methods
US20040121285A1 (en) * 2002-12-23 2004-06-24 Wu Wen Yuen Abutment structure used exclusively in tooth implantation
KR20110139577A (ko) * 2010-06-23 2011-12-29 김형우 후크핀 결합구조를 갖는 임플란트 유닛
KR20130133834A (ko) * 2011-02-21 2013-12-09 치-청 호 연약 존을 가진 로킹테이퍼 어버트먼트
KR20150019761A (ko) * 2013-08-15 2015-02-25 김형우 치과용 임플란트

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951287A (en) * 1997-04-17 1999-09-14 Hawkinson; Roy T. Dental implant failed fastener recovery systems, devices and methods
US20040121285A1 (en) * 2002-12-23 2004-06-24 Wu Wen Yuen Abutment structure used exclusively in tooth implantation
KR20110139577A (ko) * 2010-06-23 2011-12-29 김형우 후크핀 결합구조를 갖는 임플란트 유닛
KR20130133834A (ko) * 2011-02-21 2013-12-09 치-청 호 연약 존을 가진 로킹테이퍼 어버트먼트
KR20150019761A (ko) * 2013-08-15 2015-02-25 김형우 치과용 임플란트

Also Published As

Publication number Publication date
KR20180019264A (ko) 2018-02-26

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