KR20080109461A - Implant for a tooth - Google Patents

Implant for a tooth Download PDF

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Publication number
KR20080109461A
KR20080109461A KR1020070057825A KR20070057825A KR20080109461A KR 20080109461 A KR20080109461 A KR 20080109461A KR 1020070057825 A KR1020070057825 A KR 1020070057825A KR 20070057825 A KR20070057825 A KR 20070057825A KR 20080109461 A KR20080109461 A KR 20080109461A
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KR
South Korea
Prior art keywords
fixing member
gum
loosening
tooth
fastening bolt
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KR1020070057825A
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Korean (ko)
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KR100884457B1 (en
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강태인
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강태인
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Priority to KR1020070057825A priority Critical patent/KR100884457B1/en
Publication of KR20080109461A publication Critical patent/KR20080109461A/en
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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
    • 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
    • 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
    • A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection

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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

A dental implant of the strong structure is provided to use the tooth without shaking for a long time by preventing looseness completely. A dental implant of the strong structure is constituted as follows. A deformation cut-out is formed by connecting to the male screw part(41) of the fastening bolt(40). The loosening prevention screw nut(20) is additionally included. On the bottom of the tooth fixing member(30), a projecting part(31) for rotating prevention is formed. The projecting part for rotating prevention and the loosening prevention screw nut are inserted into a rotation prevention groove part(12) which is formed at the upper part on the central axis of the gum fixing member(10). A female screw part(11) is formed to couple a tooth fixing member and a gum fixing member.

Description

치아용 임플란트{implant for a tooth}Implant for a tooth

도 1은 본 발명의 일실시예에 따른 치아용 임플란트의 분해사시도이다.1 is an exploded perspective view of a dental implant according to an embodiment of the present invention.

도 2는 도 1의 일부 조립단면도이다.FIG. 2 is a partial cross-sectional view of FIG. 1.

도 3은 풀림저지너트의 일예를 도시한 단면도이다.3 is a cross-sectional view showing an example of the loosening jersey nut.

도 4는 도 3의 풀림저지너트에 체결볼트가 체결되는 과정을 도시한 단면도이다.4 is a cross-sectional view illustrating a process of fastening the fastening bolt to the loosening jersey nut of FIG.

도 5은 풀림저지너트의 다른 일예를 도시한 단면도이다.5 is a cross-sectional view showing another example of the loosening jersey nut.

도 6는 도 5의 풀림저지너트에 체결볼트가 체결되는 과정을 도시한 단면도이다.6 is a cross-sectional view illustrating a process of fastening the fastening bolt to the loosening jersey nut of FIG.

<도면의 주요 부분에 대한 부호 설명><Description of the symbols for the main parts of the drawings>

10: 잇몸(치조골) 고정부재 11: 고정암나사부10: gum (alveolar bone) fixing member 11: fixed female thread

12: 회전방지홈부 20: 풀림저지너트12: anti-rotation groove 20: loosening jersey nut

21: 변형절개부 22: 정상나사부21: deformation incision 22: normal thread

23: 변형나사부 25: 응력집중방지공23: deformation screw portion 25: stress concentration prevention hole

30: 치아고정부재 31: 회전방지돌출부30: tooth fixing member 31: anti-rotation protrusion

32: 관통공 33: 헤드부 수용부32: through hole 33: head portion receiving portion

40: 체결볼트 41: 암나사부40: tightening bolt 41: female thread

42: 헤드부42: head

본 발명은, 나사고정형의 장점을 살리고, 구조와 제조가 간단할 뿐만 아니라, 풀림을 완전히 방지시켜 장기간 흔들림이 없이 치아를 사용할 수 있는 견고한 구조의 치아용 임플란트에 관한 것이다.The present invention relates to a dental implant of a rigid structure that can take advantage of the screw type, not only easy to structure and manufacture, but also to prevent the loosening completely to use the tooth without long-term shaking.

종래의 치아용 임플란트에는, 접착형과 나사고정형이 있으며, 나사형 임플란트는, 잇몸 고정부재인 지대주(픽스처)에 인공 치아를 나사로 고정시키는 것이고, 접착형 임플란트는, 지대주(픽스처)에 인공 치아를 접합제로 접합시키는 것이다. 접착형의 경우 구조가 간단하다는 장점이 있으나, 한번 접합시킨 후에 필요에 따라 분리시키는 것이 나사고정형에 비해 매우 어렵다는 문제가 있다.Conventional dental implants include an adhesive type and a screw fixation type. A screw type implant is a screw for fixing an artificial tooth to an abutment (fixture) which is a gum fixing member, and an adhesive type implant is used to fix an artificial tooth on abutment (fixture). It joins with a bonding agent. In the case of the adhesive type, there is an advantage that the structure is simple, but there is a problem that it is very difficult compared to the screw-mounted type after the bonding once separated.

나사고정형의 경우에는, 필요에 따라 상부의 치아고정부재를 제거할 수 있어 편리하지만, 체결 내지 고정나사의 풀림이 발생하는 경우, 치아가 흔들리게 되는 등의 문제가 발생하게 된다.In the case of screw fixing type, it is convenient to remove the upper tooth fixing member as needed, but when the fastening or loosening of the fixing screw occurs, a problem such as the tooth shaking occurs.

따라서, 이러한 나사의 풀림을 저감시키거나 방지시키기 위해 다양하게 개발이 이루어지고 있으나, 여전히 완전한 풀림의 방지를 해결하지는 못하고 있다. 나사풀림의 원인으로는 부정확한 금속구조물의 적합, 부정교합, 이 악물기나 알치증 과 같은 비기능력, 과도하게 연장된 캔틸레버에 의한 과하중, 단일 수복치에 가해진 비트는 힘, 고정나사의 불량한 적합 등에 기인한 것으로 알려져 있다.Therefore, various developments have been made to reduce or prevent such loosening of screws, but still do not solve the prevention of complete loosening. Causes of screw loosening include incorrect fit of metal structures, misalignment, aggravation such as gutter or alkalosis, overload by an overly extended cantilever, twisting force applied to a single restoration, and poor fit of a set screw. It is known that it originates from etc.

따라서, 본 발명은, 이러한 문제를 해결하기 위한 것으로, 나사고정형의 장점을 살리고, 구조와 제조가 간단할 뿐만 아니라, 풀림을 완전히 방지시켜 장기간 흔들림이 없이 치아를 사용할 수 있는 견고한 구조의 치아용 임플란트를 제공하는 데에 그 목적이 있다.Accordingly, the present invention is to solve this problem, taking advantage of the screw fixing type, not only the structure and manufacturing is simple, but also prevents loosening completely to use the tooth without long-term shaking for a long-term dental implant The purpose is to provide.

이러한 목적을 달성하기 위해 본 발명의 일실시예에 따른 치아용 임플란트는, 잇몸에 매립되어 잇몸에 고정되는 잇몸 고정부재와, 외주에 치아가 고정되고 상기 잇몸 고정부재에 대해 체결볼트을 개재하여 고정되며, 체결볼트의 숫나사부가 관통되는 관통공과, 체결볼트의 헤드부가 걸려 안착되는 헤드부 수용부가 중심축을 따라 형성된 치아고정부재를 포함하여 구성되는 치아용 임플란트에 있어서, 상기 체결볼트의 숫나사부에 체결되어 통상의 체결력에 대응하는 해제력만으로는 풀림이 저지되도록 변형절개부가 형성되고 그 변형절개부에서 변형시켜 정상나사부의 일부를 상대적으로 변형된 변형나사부로 형성하며 체결볼트의 체결시 변형나사부가 복원되는 변형량에 의해 체결토크가 증대되고 풀림이 강력하게 저지되는 풀림저지너트를 추가로 포함하며, 상기 치아고정부재의 하단에는 회전방지돌출부가 형성되고, 그 회전방지돌출부와 상기 풀림저지너트가 삽입되어 회전이 방지되는 회전방지홈부가 상기 잇몸 고정부재의 중심축상에 상부에 형성되며, 그 회전방지홈부의 하부에는 풀림저지너트가 체결볼트에 체결된 후, 더욱 치아고정부재와 잇몸 고정부재를 체결하도록 고정암나사부가 형성된 것을 특징으로 한다.To achieve this purpose, the dental implant according to an embodiment of the present invention is embedded in the gum and the gum fixing member is fixed to the gum, the tooth is fixed to the outer circumference and is fastened through the fastening bolt against the gum fixing member In the dental implant comprising a through hole through which the male threaded portion of the fastening bolt penetrates, and a head fixing portion formed along the central axis of the head portion receiving portion to which the head portion of the fastening bolt is caught is fastened to the male screw portion of the fastening bolt. Deformation part is formed so that loosening is prevented only by the release force corresponding to the normal fastening force, and the deformation part is deformed at the deformed part to form a part of the top screw part as a relatively deformed deformation screw part, and the amount of deformation that is restored when the fastening bolt is fastened Tightening torque is increased and loosening jersey nut is added to prevent loosening. It includes, the lower end of the tooth fixing member is formed with a rotation preventing projection, the rotation preventing projection and the anti-rotation groove is inserted into the anti-rotation groove is formed on the upper axis on the central axis of the gum fixing member, The lower portion of the anti-rotation groove portion is characterized in that the fastening jersey nut is fastened to the fastening bolt, and then a fixed female screw portion is formed to further fasten the tooth fixing member and the gum fixing member.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예(들)를 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiment (s) of the present invention will be described in detail with reference to the accompanying drawings.

도 1 및 도 2에는 본 발명의 일실시예에 따른 치아용 임플란트의 분해사시도 및 일부 조립단면도가 도시된다.1 and 2 show an exploded perspective view and a partial assembly cross-sectional view of a dental implant according to an embodiment of the present invention.

도 1 및 도 2에 도시된 치아용 임플란트는, 종래와 같이, 잇몸 고정부재(10)의 숫나사부가 잇몸 내지 치조골에 나사체결되어 매립됨으로써 잇몸에 고정되며, 그 잇몸 고정부재(10)에 대해 체결볼트(40)을 개재하여 치아고정부재(30)가 고정되며, 그 치아고정부재(30)의 외주에 치아(도시 생략됨)가 고정된다. 체결볼트(40)에 의한 체결을 위해 체결볼트(40)의 숫나사부(41)가 관통되는 관통공(32)과, 체결볼트(40)의 헤드부(42)가 걸려 안착되는 헤드부 수용부(33)가 치아고정부재(30)에 그 중심축을 따라 형성된다. 또한, 상기 치아고정부재(30)의 하단에는 회전방지돌출부(31)가 형성되고, 도시된 실시예에서는 회전방지돌출부(31)의 상부에 결합을 위한 돌출부도 형성되지만, 반드시 필요한 것은 아니므로 그 설명은 생략된다.1 and 2, the dental implant shown in FIG. 2 is fixed to the gum by being screwed into the gum or alveolar bone and embedded in the gum fixing member 10 as in the related art, and fastened to the gum fixing member 10. The tooth fixing member 30 is fixed through the bolt 40, and a tooth (not shown) is fixed to the outer circumference of the tooth fixing member 30. For fastening by the fastening bolt 40, the through hole 32 through which the male thread part 41 of the fastening bolt 40 passes, and the head part accommodating part where the head part 42 of the fastening bolt 40 is caught. 33 is formed in the tooth fixing member 30 along its central axis. In addition, the anti-rotation protrusion 31 is formed at the lower end of the tooth fixing member 30, and in the illustrated embodiment, a protrusion for coupling is also formed on the top of the anti-rotation protrusion 31, but it is not necessarily necessary. Description is omitted.

본 발명에 따라서는 풀림저지너트(20)가 체결볼트(40)의 잇몸 고정부재(10)에 대한 체결에 앞서 그 체결볼트(40)에 체결되도록 제공된다. 그 풀림저지너 트(20)의 실시예들이 도 3 내지 도 6에 도시된다.According to the present invention, the loosening jersey nut 20 is provided to be fastened to the fastening bolt 40 prior to fastening to the gum fixing member 10 of the fastening bolt 40. Embodiments of the loosening jersey 20 are shown in FIGS. 3 to 6.

도 3에서 풀림저지너트(20)의 하면 중앙에서 내측으로, 변형절개부(21)가 형성되며, 이점쇄선으로 도시된 상태로부터 실선으로 도시된 상태로 그 변형절개부(21)의 일측 또는 양측에서 변형시켜 정상나사부(22)의 일부를 상대적으로 변형된 변형나사부(23)로 형성한다. 이와 같이 변형나사부(23)를 형성함으로써 도 4에 도시된 바와 같이 체결볼트(40)의 체결시 변형나사부(23)가 이점쇄선의 상태로부터 실선의 상태로 복원되는 탄성변형량에 의해 체결토크가 증대되게 되고 이에 따라 한번 체결된 후에는 그 풀림이 강력하게 저지되게 된다. In FIG. 3, the deformation cutout portion 21 is formed from the center to the inside of the lower surface of the loosening jersey nut 20, and one side or both sides of the deformation cutout portion 21 are shown in a solid line from the state shown by the double-dot chain line. By deforming at a portion of the top screw portion 22 to form a relatively modified deformation screw portion 23. As shown in FIG. 4, by forming the deformation screw portion 23, the tightening torque is increased by the amount of elastic deformation in which the deformation screw portion 23 is restored to the solid line state from the state of the double-stranded chain when the fastening bolt 40 is fastened. Thus, once locked, the loosening is strongly inhibited.

또, 도 5에는, 풀림저지너트(20')는, 그 측벽에 변형절개부(21)를 구비하며, 그 변형절개부(21)의 하부를 X방향으로 상향하여 각도(a)만큼 변형시킴으로써 정상나사부(22)에 대해 변형나사부(23)가 형성되게 된다. 이와 같은 구성에 있어서는 도 6에서 체결볼트(40)를 체결하는 때에 변형나사부(23)에서 탄성변형량(-a)만큼 -X방향으로 복원시켜 체결되게 되므로, 탄성변형에 따라 체결토크가 증대되게 되고, 일단 체결된 뒤에는 통상의 해제력만으로는 체결볼트(40)가 풀리지 아니하게 되어 풀림이 강력하게 저지된다.In Fig. 5, the loosening jersey nut 20 'includes a strain cut portion 21 on its side wall, and the bottom of the strain cut portion 21 is deformed by an angle a upward in the X direction. The deformation screw portion 23 is formed with respect to the top screw portion 22. In such a configuration, when the fastening bolt 40 is fastened in FIG. 6, the tightening torque is increased by restoring in the -X direction by the amount of elastic deformation (-a) in the deformation screw part 23, and thus the tightening torque is increased according to the elastic deformation. , Once fastened, the fastening bolt 40 is not released only by the normal release force, and the loosening is strongly inhibited.

상기 풀림저지너트(20)가 삽입되고 상기 회전방지돌출부(31)가 삽입되어 회전이 방지되게 결합되도록 상기 잇몸 고정부재(10)의 중심축상에 상부에 회전방지홈부(12)가 형성되며, 그 회전방지홈부(12)의 하부에는 풀림저지너트(20)가 체결볼트(40)에 체결된 후, 더욱 치아고정부재(30)와 잇몸 고정부재(10)를 체결하도록 고정암나사부(11)가 형성된다.An anti-rotation groove 12 is formed on the central axis of the gum fixing member 10 so that the release jersey nut 20 is inserted and the anti-rotation protrusion 31 is inserted to be coupled to prevent rotation. In the lower part of the anti-rotation groove 12, after the loosening jersey nut 20 is fastened to the fastening bolt 40, the fixed female screw part 11 is further fastened to further fasten the tooth fixing member 30 and the gum fixing member 10. Is formed.

상기 변형절개부(21)는, 풀림저지너트(20)의 상하면과 외주벽부중 어느 한 위치에서 내측을 향하여 적어도 암나사부의 내부로 도 3 및 도 5의 이점쇄선으로 도시된 바와 같이 컷터에 의해 절삭함으로써 형성되며, 변형나사부(23)는, 도 3 및 도 5의 실선으로 도시된 바와 같이 그 변형절개부(21)의 일측 또는 양측에서 가압, 변형시켜 형성된다. 따라서, 풀림저지너트(20)의 구성과 제조가 간단하고 저렴하게 된다.The deformed cutout portion 21 is cut by the cutter as shown by the dashed lines shown in FIGS. 3 and 5 at least inside the female screw portion toward the inside at any one of the upper and lower surfaces of the loosening jersey nut 20 and the outer circumferential wall portion. The deformation screw portion 23 is formed by pressing and deforming at one side or both sides of the deformation cut portion 21, as shown by the solid lines in FIGS. 3 and 5. Therefore, the configuration and manufacture of the loosening jersey nut 20 are simple and inexpensive.

또한, 도 5에서와 같이, 변형절개부(21)의 내측단에는 응력집중에 의한 손상을 방지하도록 응력집중방지공(25)이 형성되는 것이 바람직하다.In addition, as shown in Figure 5, it is preferable that the stress concentration prevention hole 25 is formed at the inner end of the strain cut portion 21 to prevent damage caused by stress concentration.

상술한 바와 같이 구성되는 본 발명의 실시예들에 의하면, 먼저, 잇몸(치주골)에 잇몸 고정부재(10)의 체결공을 형성하고, 잇몸 고정부재(10)의 숫나사부를 잇몸 내지 치조골의 체결공에 나사체결하여 매립시킴으로써 잇몸 고정부재(10)를 잇몸에 고정시킨다.According to the embodiments of the present invention configured as described above, first, the fastening hole of the gum fixing member 10 is formed in the gum (periodontal bone), and the male screw portion of the gum fixing member 10 is fastened to the gum to the alveolar bone. The gum fixing member 10 is fixed to the gum by screwing it into a ball.

그 뒤, 도 2에 도시된 바와 같이 풀림저지너트(20)를 잇몸 고정부재(10)의 회전방지홈부(12)에 삽입시키고, 치아고정부재(30)의 회전방지돌출부(31)를 차례로 잇몸 고정부재(10)의 회전방지홈부(12)에 삽입시켜 결합시키며, 치아고정부재(30)의 관통공(32)을 통해 상부에서 체결볼트(40)를 삽입하여 풀림저지너트(20) 및 잇몸 고정부재(10)의 고정암나사부(11)에 체결볼트(40)의 숫나사부(41)를 체결하여 고정시킴으로써 치아고정부재(30)가 잇몸 고정부재(10)에 견고하게 체결되게 되고, 풀림이 완벽하게 방지되게 된다.Thereafter, as shown in FIG. 2, the release jersey nut 20 is inserted into the anti-rotation groove 12 of the gum fixing member 10, and the anti-rotation protrusion 31 of the tooth fixing member 30 is sequentially inserted into the gum. It is inserted into the anti-rotation groove 12 of the fixing member 10 and coupled, and the fastening bolt 40 is inserted from the upper through the through-hole 32 of the tooth fixing member 30 to loosen the jersey nut 20 and the gums. By fastening and fixing the male threaded portion 41 of the fastening bolt 40 to the fixed female threaded portion 11 of the fixing member 10, the tooth fixing member 30 is firmly fastened to the gum fixing member 10, and loosened. This will be completely prevented.

상술한 바와 같이 체결됨으로써 풀림저지너트(20)에 강력하게 체결볼트(40) 이 체결되게 되고 잇몸 고정부재(10)의 고정암나사부(11)에도 체결되게 되어 웬만한 풀림력에 의해서는 체결볼트(40)가 풀림저지너트(20)에 의해 풀릴 수 없게 되므로, 즉, 회전할 수 없게 되므로, 체결볼트(40)가 고정암나사부(11)로부터도 풀릴 수 없게 되어 거의 완벽하게 풀림이 방지되게 된다.By fastening as described above, the fastening bolt 40 is strongly fastened to the fastening jersey nut 20, and is fastened to the fixed female threaded portion 11 of the gum fixing member 10, thereby being fastened to the fastening bolt ( Since 40 is not loosened by the loosening nut 20, that is, it cannot be rotated, the fastening bolt 40 cannot be loosened even from the fixed female threaded portion 11, thereby preventing the loosening almost completely. .

이와 같이 풀림이 방지되므로써 장기간 흔들림 없이 치아를 사용할 수 있게 된다.By preventing the loosening in this way it is possible to use the teeth without shaking for a long time.

이상에서 설명한 본 발명의 실시예에 따른 치아용 임플란트의 구성과 작용에 의하면, 나사고정형의 장점을 살리고, 구조와 제조가 간단할 뿐만 아니라, 풀림을 완전히 방지시켜 장기간 흔들림이 없이 치아를 사용할 수 있는 등의 효과가 있다.According to the configuration and operation of the dental implant according to the embodiment of the present invention described above, taking advantage of the screw fixing type, not only the structure and manufacturing is simple, but also prevents loosening completely can use the tooth without long-term shaking There is an effect such as.

Claims (3)

잇몸에 매립되어 잇몸에 고정되는 잇몸 고정부재(10)와, 외주에 치아가 고정되고 상기 잇몸 고정부재(10)에 대해 체결볼트(40)을 개재하여 고정되며, 체결볼트(40)의 숫나사부(41)가 관통되는 관통공(32)과, 체결볼트(40)의 헤드부(42)가 걸려 안착되는 헤드부 수용부(33)가 중심축을 따라 형성된 치아고정부재(30)를 포함하여 구성되는 치아용 임플란트에 있어서,A gum fixing member 10 embedded in the gum and fixed to the gum, and a tooth is fixed to the outer circumference thereof and fixed to the gum fixing member 10 through a fastening bolt 40, and a male screw part of the fastening bolt 40. The through hole 32 through which the 41 passes, and the head fixing portion 30 in which the head portion 42 of the fastening bolt 40 is caught and seated, includes a tooth fixing member 30 formed along a central axis. In dental implants, 상기 체결볼트(40)의 숫나사부(41)에 체결되어 통상의 체결력에 대응하는 해제력만으로는 풀림이 저지되도록 변형절개부(21)가 형성되고 그 변형절개부(21)에서 변형시켜 정상나사부(22)의 일부를 상대적으로 변형된 변형나사부(23)로 형성하며 체결볼트(40)의 체결시 변형나사부(23)가 복원되는 변형량에 의해 체결토크가 증대되고 풀림이 강력하게 저지되는 풀림저지너트(20)를 추가로 포함하며, 상기 치아고정부재(30)의 하단에는 회전방지돌출부(31)가 형성되고, 그 회전방지돌출부(31)와 상기 풀림저지너트(20)가 삽입되어 회전이 방지되는 회전방지홈부(12)가 상기 잇몸 고정부재(10)의 중심축상에 상부에 형성되며, 그 회전방지홈부(12)의 하부에는 풀림저지너트(20)가 체결볼트(40)에 체결된 후, 더욱 치아고정부재(30)와 잇몸 고정부재(10)를 체결하도록 고정암나사부(11)가 형성된 것을 특징으로 하는 치아용 임플란트.Deformation cutout portion 21 is formed to be fastened to the male screw portion 41 of the fastening bolt 40 to prevent loosening only by the release force corresponding to the normal fastening force, and deformed at the deformation cutout portion 21 so as to allow a normal screw portion ( A part of 22) is formed by the deformation screw part 23 which is relatively deformed, and the loosening jersey nut is increased by the amount of deformation that the deformation screw part 23 is restored when the fastening bolt 40 is fastened, and the loosening jersey is strongly prevented from loosening. It further comprises a 20, the anti-rotation projections 31 are formed at the lower end of the tooth fixing member 30, the anti-rotation projections 31 and the release jersey nut 20 is inserted to prevent rotation After the anti-rotation groove 12 is formed on the central axis of the gum fixing member 10, the lower portion of the anti-rotation groove 12 is fastened to the locking bolt 40 after the loosening jersey nut 20 Fixing arm to further fasten the tooth fixing member 30 and the gum fixing member 10 Dental implant, characterized in that the section (11) formed. 제 1 항에 있어서, 상기 변형절개부(21)는, 풀림저지너트(20)의 상하면과 외 주벽부중 어느 한 위치에서 내측을 향하여 적어도 암나사부의 내부로 컷터에 의해 절삭된 후, 가압, 변형시켜 형성되는 것을 특징으로 하는 치아용 임플란트.The deformable cutting portion 21 is cut by at least one of the upper and lower surfaces and the outer circumferential wall portion of the unfastening jersey nut 20 toward the inner side of the deformable cut portion 21 by the cutter, and then pressed and deformed. Dental implant, characterized in that formed. 제 1 항 또는 제 2 항에 있어서, 상기 변형절개부(21)의 내측단에는 응력집중에 의한 손상을 방지하도록 응력집중방지공(25)이 형성된 것을 특징으로 하는 치아용 임플란트.The dental implant according to claim 1 or 2, wherein a stress concentration prevention hole (25) is formed at an inner end of the deformable cutout portion (21) to prevent damage caused by stress concentration.
KR1020070057825A 2007-06-13 2007-06-13 Implant for a tooth KR100884457B1 (en)

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KR20020095147A (en) * 2002-11-29 2002-12-20 이용규 Device to prevent loose abutment screw of implant for artificial teeth
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