KR102250959B1 - Customized abutment for fixing crown - Google Patents

Customized abutment for fixing crown Download PDF

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Publication number
KR102250959B1
KR102250959B1 KR1020180151530A KR20180151530A KR102250959B1 KR 102250959 B1 KR102250959 B1 KR 102250959B1 KR 1020180151530 A KR1020180151530 A KR 1020180151530A KR 20180151530 A KR20180151530 A KR 20180151530A KR 102250959 B1 KR102250959 B1 KR 102250959B1
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South Korea
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prosthesis
abutment
fixture
coupling portion
groove
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KR1020180151530A
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Korean (ko)
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KR20200065247A (en
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김노국
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(주) 예스바이오테크
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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
    • A61C8/0057—Connecting devices for joining an upper structure with an implant member, e.g. spacers with elastic means
    • 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
    • A61C8/006—Connecting devices for joining an upper structure with an implant member, e.g. spacers with polygonal positional means, e.g. hexagonal or octagonal
    • 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
    • A61C8/0065—Connecting devices for joining an upper structure with an implant member, e.g. spacers with expandable or compressible means
    • 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

Abstract

본 발명은 보철물부착형 맞춤형 어버트먼트에 대한 것으로서, 더욱 상세하게는 시멘트로 결합하지 않더라도 보철물을 고정시킬 수 있는 보철물부착형 맞춤형 어버트먼트에 대한 것이다.
본 발명에 따른 보철물 부착용 어버트먼트는 픽스쳐 삽입부와, 보철물결합부 및 탄성링을 포함한다. 상기 픽스쳐 삽입부는 픽스쳐에 삽입된다. 상기 보철물결합부는 상기 픽스쳐의 상부에 노출되고, 외주면에 원주방향을 따라 홈이 형성되며, 보철물이 장착될 수 있게 보철물에 삽입된다. 상기 탄성링은 상기 보철물이 상기 보철물결합부에서 이탈되지 않게 가압할 수 있도록 상기 보철물결합부의 외주면에서 돌출될 수 있게 상기 홈에 삽입된다. 그리고 상기 어버트먼트는 스크류로 상기 픽스쳐에 결합될 수 있도록 상단에서 하단까지 관통된다.
본 발명에 따른 보철물 부착용 어버트먼트는 홈 및 절개된 보철물결합부를 구비하고, 상기 홈에 탄성링에 삽입된다. 그래서 어버트먼트가 보철물에 삽입되면, 탄성적으로 수축되어 보철물을 가압하므로 보철물이 어버트먼트에서 분리되는 것을 방지할 수 있다. 따라서 별도의 시멘트 작업을 하지 않더라도 보철물을 어버트먼트에 고정시킬 수 있으며, 보철물을 분리시킬 수 있다.The present invention relates to a customized abutment attached to a prosthesis, and more particularly, to a customized abutment attached to a prosthesis capable of fixing a prosthesis without being combined with cement.
The abutment for attaching a prosthesis according to the present invention includes a fixture insertion part, a prosthesis coupling part, and an elastic ring. The fixture insertion unit is inserted into the fixture. The prosthesis coupling portion is exposed on the upper portion of the fixture, a groove is formed along the circumferential direction on the outer circumferential surface, and is inserted into the prosthesis so that the prosthesis can be mounted. The elastic ring is inserted into the groove so as to protrude from the outer circumferential surface of the prosthesis coupling portion so that the prosthesis may be pressed so as not to be separated from the prosthesis coupling portion. In addition, the abutment penetrates from the top to the bottom so that it can be coupled to the fixture with a screw.
The abutment for attaching a prosthesis according to the present invention includes a groove and a cut-out prosthesis coupling portion, and is inserted into the elastic ring in the groove. So, when the abutment is inserted into the prosthesis, it is elastically contracted to press the prosthesis, so that the prosthesis can be prevented from being separated from the abutment. Therefore, it is possible to fix the prosthesis to the abutment even without a separate cement work, and to separate the prosthesis.

Description

맞춤형 오버덴쳐용 보철물 부착용 맞춤형 어버트먼트{Customized abutment for fixing crown}Customized abutment for fixing crown for customized overdenture

본 발명은 보철물부착형 맞춤형 어버트먼트에 대한 것으로서, 더욱 상세하게는 시멘트로 결합하지 않더라도 보철물을 고정시킬 수 있는 보철물부착형 맞춤형 어버트먼트에 대한 것이다.The present invention relates to a customized abutment attached to a prosthesis, and more particularly, to a customized abutment attached to a prosthesis capable of fixing a prosthesis without being combined with cement.

치과 임플란트는 치아가 상실된 부위에 인공치근을 심어 치조골에 유착시키기고, 유착된 인공치근에 치과보철물을 고정하여 형성된 인공치아구조이다. 일반적으로 임플란트는 픽스쳐(fixture)와, 픽스쳐에 고정되는 어버트먼트와, 어버트먼트에 고정되는 치과보철물로 구성된다. 종래의 임플란트는 치과보철물의 고정방식에 따라 나사 유지형과 시멘트 유지형으로 구분된다.A dental implant is an artificial tooth structure formed by implanting an artificial tooth root in an area where a tooth is lost to adhere to the alveolar bone, and fixing a dental prosthesis to the adhered artificial tooth root. In general, an implant is composed of a fixture, an abutment fixed to the fixture, and a dental prosthesis fixed to the abutment. Conventional implants are classified into a screw retaining type and a cement retaining type according to a method of fixing a dental prosthesis.

나사 유지형 임플란트는 스크류에 의해 치과보철물이 고정되는 방식으로서, 픽스쳐를 치조골에 식립시키고, 치과보철물과 일체로 된 어버트먼트를 스크류를 사용하여 픽스쳐에 고정시킨다.The screw retaining implant is a method in which a dental prosthesis is fixed by a screw, and a fixture is placed in the alveolar bone, and an abutment integrated with the dental prosthesis is fixed to the fixture using a screw.

시멘트 유지형 임플란트는 어버트먼트에 치과보철물을 끼우고 치과용 시멘트를 이용하여 치과보철물을 어버트먼트에 고정시킨다.In the cement-retaining implant, a dental prosthesis is inserted into the abutment, and the dental prosthesis is fixed to the abutment using dental cement.

공개특허 제10-2007-0112075호(공개일자 2007년 11월 22일)Publication Patent No. 10-2007-0112075 (published on November 22, 2007)

종래의 나사 유지형 임플란트의 경우 보철물을 어버트먼트와 일체로 가공하기 때문에 보철물을 정밀하게 가공해야 하기 때문에 정밀제작이 어려워서 시간 및 비용이 많이 소용된다는 문제점이 있으며, 정밀하게 제작되지 않을 경우 나사 풀림현상이 발생하여 보철물이 어버트먼트에서 분리된다는 문제점 있었다. 또한, 잔여 시멘트 제거 작업이 어려우며, 시멘트의 잔존시 염증을 유발하는 원인이 된다.In the case of conventional screw-retaining implants, since the prosthesis is integrally processed with the abutment, it is difficult to precisely manufacture the prosthesis, so it is difficult to manufacture it, which takes a lot of time and cost, and if it is not precisely manufactured, there is a problem that the screw loosening occurs. As a result, there was a problem that the prosthesis was separated from the abutment. In addition, it is difficult to remove residual cement, and when the cement remains, it causes inflammation.

또한, 종래의 시멘트 유지형 임플란트의 경우 보철물을 어버트먼트에 고정시키기 위하여 별도의 시멘트를 사용하여 보철물을 어버트먼트에 고정시키므로 분리가 불가능하며, 시멘트 작업이 번거럽다는 문제점이 있었다.In addition, in the case of a conventional cement-retaining implant, since separate cement is used to fix the prosthesis to the abutment to fix the prosthesis to the abutment, it is impossible to separate it and there is a problem that the cement work is cumbersome.

본 발명은 상기의 문제점을 해결하기 위한 것이다. 본 발명은 별도의 시멘트 작업이 없이도 보철물을 어버트먼트에 고정시킬 수 있는 보철물부착용 어버트먼트를 제공하는 것을 목적으로 한다.The present invention is to solve the above problems. An object of the present invention is to provide an abutment for attaching a prosthesis capable of fixing a prosthesis to the abutment without a separate cement operation.

또한, 본 발명은 보철물을 어버트먼트에서 분리시킬 수 있는 보철물부착용 어버트먼트를 제공하는 것을 목적으로 한다.In addition, an object of the present invention is to provide an abutment for attaching a prosthesis capable of separating the prosthesis from the abutment.

본 발명에 따른 보철물 부착용 어버트먼트는 픽스쳐 삽입부와, 보철물결합부 및 탄성링을 포함한다. 상기 픽스쳐 삽입부는 픽스쳐에 삽입된다. 상기 보철물결합부는 상기 픽스쳐의 상부에 노출되고, 외주면에 원주방향을 따라 홈이 형성되며, 보철물이 장착될 수 있게 보철물에 삽입된다. 상기 탄성링은 상기 보철물이 상기 보철물결합부에서 이탈되지 않게 가압할 수 있도록 상기 보철물결합부의 외주면에서 돌출될 수 있게 상기 홈에 삽입된다. 그리고 상기 어버트먼트는 스크류로 상기 픽스쳐에 결합될 수 있도록 상단에서 하단까지 관통된다.The abutment for attaching a prosthesis according to the present invention includes a fixture insertion part, a prosthesis coupling part, and an elastic ring. The fixture insertion unit is inserted into the fixture. The prosthesis coupling portion is exposed on the upper portion of the fixture, a groove is formed along the circumferential direction on the outer circumferential surface, and is inserted into the prosthesis so that the prosthesis can be mounted. The elastic ring is inserted into the groove so as to protrude from the outer circumferential surface of the prosthesis coupling portion so that the prosthesis may be pressed so as not to be separated from the prosthesis coupling portion. In addition, the abutment penetrates from the top to the bottom so that it can be coupled to the fixture with a screw.

또한, 상기의 보철물 부착용 어버트먼트에 있어서, 상기 보철물결합부는 상기 보철물에 삽입되면 반경방향으로 탄성적으로 수축될 수 있도록 복수 개로 절개된 것이 바람직하다.In addition, in the abutment for attaching the prosthesis, it is preferable that the prosthesis coupling portion is cut into a plurality of pieces so as to be elastically contracted in the radial direction when inserted into the prosthesis.

또한, 상기의 보철물 부착용 어버트먼트이 있어서, 상기 탄성링은 일측이 절개된 것이 바람직하다.In addition, in the abutment for attaching the prosthesis, it is preferable that one side of the elastic ring is cut.

본 발명에 따른 보철물 부착용 어버트먼트는 홈 및 절개된 보철물결합부를 구비하고, 상기 홈에 탄성링이 삽입된다. 그래서 어버트먼트가 보철물에 삽입되면, 탄성적으로 수축되어 보철물을 가압하므로 보철물이 어버트먼트에서 분리되는 것을 방지할 수 있다. 또한, 가압되는 힘에 의해서 유격의 차이나는 부분을 해결해줄 수 있다. 그리고 보철물의 가공 오차를 해소해 준다. 따라서 별도의 시멘트 작업을 하지 않더라도 보철물을 어버트먼트에 고정시킬 수 있으며, 보철물을 분리시킬 수 있다.The abutment for attaching a prosthesis according to the present invention includes a groove and a cut-out prosthesis coupling portion, and an elastic ring is inserted into the groove. So, when the abutment is inserted into the prosthesis, it is elastically contracted to press the prosthesis, so that the prosthesis can be prevented from being separated from the abutment. In addition, it is possible to solve the difference in the gap by the force being pressed. And it eliminates the processing error of the prosthesis Therefore, it is possible to fix the prosthesis to the abutment even without a separate cement work, and the prosthesis can be separated.

도 1은 본 발명에 따른 보철물 부착용 어버트먼트의 일 실시예의 단면도,
도 2는 도 1에 도시된 실시예의 픽스쳐삽입부 및 보철물결합부의 사시도,
도 3은 도 1에 도시된 실시예의 탄성링의 개념도,
도 4는 도 1의 실시예가 픽스쳐에 결합된 개념도이다.1 is a cross-sectional view of an embodiment of an abutment for attaching a prosthesis according to the present invention,
2 is a perspective view of a fixture insertion portion and a prosthesis coupling portion of the embodiment shown in FIG. 1;
Figure 3 is a conceptual diagram of the elastic ring of the embodiment shown in Figure 1,
4 is a conceptual diagram in which the embodiment of FIG. 1 is combined with a fixture.

도 1 내지 도 4를 참조하여 본 발명에 따른 보철물 부착용 어버트먼트의 일 실시예를 설명한다.An embodiment of an abutment for attaching a prosthesis according to the present invention will be described with reference to FIGS. 1 to 4.

본 발명의 일 실시예에 따른 보철물 부착용 어버트먼트(A)는 픽스쳐삽입부(10)와, 보철물결합부(20) 및 탄성링(30)을 포함한다.The abutment (A) for attaching a prosthesis according to an embodiment of the present invention includes a fixture insertion portion 10, a prosthesis coupling portion 20, and an elastic ring 30.

픽스쳐삽입부(10)는 픽스쳐(1)에 삽입된다. 여기서 픽스쳐(1) 삽입시 삽입방향을 정하고, 회전되지 않도록 픽스쳐삽입부(10)에는 헥사부(11)가 형성된다,The fixture insertion unit 10 is inserted into the fixture 1. Here, when the fixture 1 is inserted, an insertion direction is determined, and a hexa portion 11 is formed in the fixture insertion unit 10 so that it is not rotated.

보철물결합부(20)는 픽스쳐 삽입부(10)가 픽스쳐(1)에 삽입되면 보철물(미도시)이 장착될 수 있게 보철물에 삽입될 수 있도록 픽스쳐(1)의 상부에 노출되며, 외주면에 원주방향을 따라 홈(21)이 형성된다. 그리고 보철물결합부(20)는 보철물에 삽입되면 반경방향으로 탄성적으로 수축될 수 있도록 상단이 복수 개로 절개되어 있다. 즉 보철물결합부(20)의 상단에는 복수의 절개부(23)가 형성되어 있다. 이때 어버트먼트(A)는 스크류(3)가 삽입되어 픽스쳐(1)에 결합될 수 있도록 보철물결합부(20)의 상단에서 픽스쳐삽입부(10)의 하단까지 관통된 관통공(40)이 형성된다.The prosthesis coupling unit 20 is exposed on the upper portion of the fixture 1 so that the fixture insertion unit 10 can be inserted into the prosthesis so that the prosthesis (not shown) can be mounted when the fixture insertion unit 10 is inserted into the fixture 1, and is circumferentially on the outer circumferential surface. A groove 21 is formed along the direction. In addition, when inserted into the prosthesis, the prosthesis coupling portion 20 has a plurality of incisions at its top so that it can elastically contract in the radial direction. That is, a plurality of incisions 23 are formed at the upper end of the prosthesis coupling part 20. At this time, the abutment (A) has a through hole 40 penetrating from the upper end of the prosthesis coupling unit 20 to the lower end of the fixture insertion unit 10 so that the screw 3 is inserted and coupled to the fixture 1 Is formed.

탄성링(30)은 보철물이 보철물결합부(20)에서 이탈되지 않게 가압할 수 있도록 보철물결합부(20)의 외주면에서 돌출될 수 있게 홈(21)에 삽입된다. 이때 탄성링(30)은 일측이 절개되어 있다. 본 실시예의 경우 탄성링(30)의 단면은 원형이었지만, 4각형 등 다양한 모양으로 형성될 수 있다.The elastic ring 30 is inserted into the groove 21 so as to protrude from the outer circumferential surface of the prosthesis coupling portion 20 so that the prosthesis may be pressed so as not to be separated from the prosthesis coupling portion 20. At this time, one side of the elastic ring 30 is cut. In the case of this embodiment, the cross section of the elastic ring 30 was circular, but it may be formed in various shapes such as a square.

본 실시예의 경우, 어버트먼트(A)의 보철물결합부(20)가 보철물에 삽입된다. 그러면 보철물결합부(20)의 상단에 절개부(23)가 형성되어 있으므로 반경방향으로 수축하였다가. 삽입되면 다시 복원된다. 그래서 절개부(23)가 보철물에 가압되게 되고 이때 동시에 탄성링(30)이 보철물결합부(20)의 홈(21)에 삽입되어 있으므로 탄성링(30)이 보철물을 가압하게 된다. 그래서 보철물과 보철물결합부(20)는 이탈되지 않고 결합될 수 있다. 보철물이 보철물결합부(20)에 결합되면 도 4에 도시된 바와 같이 이를 픽스쳐(1)에 삽입하고 스크류(3)를 관통공(40)에 삽입하여 픽스쳐(1)에 체결한다. 스크류(3)를 픽스쳐(1)에 체결시키면 스크류(3)의 헤더가 보철물을 가압하고, 스크류(3)의 나사부게 픽스쳐(1)와 나사결합되어 픽츠쳐(1)에 고정될 수 있다. 한편, 보철물을 분리하고자 할 때에는 스크류(3)를 먼저 분리하고 보철물을 반대방향으로 가압하면, 보철물결합부(20)가 반경방향으로 수축되면서 보철물이 어버트먼트(A)에서 분리될 수 있다. In this embodiment, the prosthesis coupling portion 20 of the abutment (A) is inserted into the prosthesis. Then, since the incision 23 is formed at the top of the prosthesis coupling part 20, it contracts in the radial direction. When inserted, it is restored again. Therefore, the incision 23 is pressed against the prosthesis, and at this time, the elastic ring 30 is inserted into the groove 21 of the prosthesis coupling unit 20 at the same time, so that the elastic ring 30 presses the prosthesis. So, the prosthesis and the prosthesis coupling portion 20 can be combined without being separated. When the prosthesis is coupled to the prosthesis coupling unit 20, as shown in FIG. 4, it is inserted into the fixture 1, and the screw 3 is inserted into the through hole 40 to be fastened to the fixture 1. When the screw 3 is fastened to the fixture 1, the header of the screw 3 presses the prosthesis and is screwed with the screw fixture 1 of the screw 3 to be fixed to the fixture 1. On the other hand, in order to separate the prosthesis, if the screw 3 is first removed and the prosthesis is pressed in the opposite direction, the prosthesis coupling part 20 contracts in the radial direction, so that the prosthesis can be separated from the abutment (A).

따라서 본 실시예에 의하면 보철물을 별도의 시멘트 없이도 어버트먼트(A)에 고정결합시킬 수 있을 뿐만 아니라, 어버트먼트(A)에서 분리시킬 수도 있다. 한편 본 실시예의 경우 픽스쳐(1)에서 노출된 보철물결합부(20)를 환자의 상황에 맞게 각도 및 크기 등을 조절하면 각각의 환자에 적합한 맞춤용 어버트먼트를 제공할 수 있다.Therefore, according to the present embodiment, the prosthesis can be fixedly coupled to the abutment (A) without a separate cement, and may be separated from the abutment (A). Meanwhile, in the case of the present embodiment, if the angle and size of the prosthesis coupling unit 20 exposed from the fixture 1 are adjusted according to the patient's situation, a customized abutment suitable for each patient can be provided.

1 : 픽스쳐 3 : 스크류
10 : 픽스쳐삽입부 20 : 보철물결합부
21 : 홈 23 : 절개부
30 : 탄성링 40 : 관통공1: fixture 3: screw
10: fixture insertion portion 20: prosthesis coupling portion
21: groove 23: incision
30: elastic ring 40: through hole

Claims (3)

픽스쳐에 삽입되는 픽스쳐 삽입부와,
상기 픽스쳐의 상부에 노출되고, 외주면에 원주방향을 따라 홈이 형성되며, 보철물이 장착될 수 있게 보철물에 삽입되고, 상기 보철물에 삽입되면 반경방향으로 탄성적으로 수축될 수 있도록 복수 개로 절개된 보철물결합부와,
일측이 절개되며, 상기 보철물이 상기 보철물결합부에서 이탈되지 않게 가압할 수 있도록 상기 보철물결합부의 외주면에서 돌출될 수 있게 상기 홈에 삽입되는 탄성링을 포함하며, 스크류로 상기 픽스쳐에 결합될 수 있도록 상단에서 하단까지 관통된 보철물 부착용 어버트먼트.A fixture insertion unit inserted into the fixture,
A prosthesis that is exposed on the upper part of the fixture, has a groove formed along the circumferential direction on the outer circumferential surface, and is inserted into the prosthesis so that the prosthesis can be mounted, and when inserted into the prosthesis, a plurality of incisions are made to elastically contract in the radial direction With the joint,
One side is cut and includes an elastic ring inserted into the groove so as to protrude from the outer circumferential surface of the prosthesis coupling portion so that the prosthesis can be pressed so as not to be separated from the prosthesis coupling portion, and can be coupled to the fixture with a screw. Abutment for prosthesis attachment, pierced from top to bottom. 삭제delete 삭제delete
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