임플란트 연결부의 개념과 적용: Part 2. 안착형 외부 및 내부 연결형 임플란트의 식립과 보철
Concept and application of implant connection systems: Part II. Placement and restoration of external connection implant and tissue level implant
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안착형 외부 연결 임플란트를 적절히 사용하기 위해서는 식립 시에 임플란트 간의 간격에 주의해야 하며 2차 수술 시에 임플란트 상부로 올라간 골을 다듬어야 한다. 육각형태를 가진 지대주가 원형 지대주에 비해 유용하다. 외부 연결형 임플란트는 악간간격이 제한된 경우에 적용할 수 있다. 안착형 외부연결(조직수준) 임플란트는 상부 직경의 두께로 인한 생역학적 장점과 내재된 점막관통부로 인한 생물학적 장점을 가지고 있다. 조직수준 임플란트를 수복할 때 지대주 수준과 임플란트 수준의 변연 중 악간공간에 따라 선택한다. 어떤 한 가지 임플란트 종류로는 모든 증례를 만족시키기 어려우므로 교합력 및 골조건을 고려하여 적절한 임플란트를 선택하는 것이 필요하다.
Abstract
To use the external connection implant (EXT) appropriately, the inter-implant distance should be carefully considered during placement, and the bones raised above the implants should be trimmed during the second surgery. The hex abutment is more useful than the non-hex abutment. EXT is particularly useful when the inter-arch space is limited. The tissue level (TL, internal butt connection) implant has a biomechanical advantage of coronal wall thickness and a biological advantage of an inherent transmucosal smooth surface. During TL implant restoration, an abutment can be selected using the abutment and fixture margins with considerations for the inter-arch space. Since no single type of implant can satisfy all the cases, it is necessary to select the appropriate type, considering the occlusal force and the bone condition.
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