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임프란트 고정체와 지대주 직경의 차이가 응력분포에 미치는 영향

THE EFFECT OF THE DIFFERENCE OF THE IMPLANT FIXTURE AND ABUTMENT DIAMETER FOR STRESS DISTRIBUTION

이청희|정종원
대한치과보철학회 (The Korean Academy Of Prosthodontics)|2004.10|대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)|제42권 제5호|pp. 583-596

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참고문헌

주제분류치의학

초록

Abstract

Statement of problem: Stress concentration on the neck bone affects the bone resorption, and finally the implant survival Purpose: In order to examine the stress distribution on the neck bone and prosthesis abutment for implants, decreasing abutment sizes were used. Material and methods: Axisymmetric models were used to obtain the data required. These models were composed of 4mm implants with 3.4mm and 4mm abutments, 5mm implants with 3.4mm and 5mm abutments and 6mm implants with 3.4mm and 6mm abutments. All abutments were designed to received a 10mm high by 10mm diameter gold crown. Functional element analysis was used to obtain these results using data that consisted of 50 N vertical and 45 degree inclination forces. Results: 1. Changing the diameter of the abutment on the implant affects the effect of the inclination forces more than the effect of the vertical forces. 2. Changing the diameter of the abutment on the implant affects the effect of the inclination forces more than the effect of the vertical forces. 3. Experimentation showed that the larger diameter implants provided a decreased neck bone stress, whereas a larger diameter abutment provided a decrease marginal abutment stress. 4. Experimentation showed that the neck bone and abutment received more stress from inclination forces than vertical forces. Conclusions: By decreasing the size of the abutment on the implant we were able to diminishneck bone stress.

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관련 논문AI추천

임플랜트의 지대주 연결방식, 임플랜트의 직경 및 지대주 연결부위의 직경 차이에 따른 응력분포에 관한 삼차원 유한요소분석양재호, 오세웅, 이선형, 한중석대한치과보철학회 · 대한치과보철학회지2003 · 제41권 제4호단일치 임플랜트 지지 보철물에서 고정체와 지대주 나사 직경의 차이에 따른 삼차원 유한요소법적 응력 분석권주홍, 김유리, 조혜원, 최민호대한치과보철학회 · 대한치과보철학회지2005 · 제43권 제1호임플랜트 고정체의 형태와 연결방식에 따른 임플랜트 및 지지조직의 응력분포박하옥, 양홍서, 한상운대한치과보철학회 · 대한치과보철학회지2004 · 제42권 제2호지대주 연결 형태와 골질에 따른 저작압이 임프란트 주위골내 응력분포에 미치는 영향박현수, 임성빈, 정진형, 홍기석대한치주과학회 · Journal of Periodontal & Implant Science2006 · 제36권 제2호임플랜트-지대주의 연결방법에 따른 임플랜트 보철의 유한요소 응력분석계기성, 정재헌, 허진경대한치과보철학회 · 대한치과보철학회지2005 · 제43권 제4호임플란트와 지대주간 내측 연결을 갖는 임플란트 보철의 유한요소 응력분석계기성, 안종관, 정재헌대한치과보철학회 · 대한치과보철학회지2004 · 제42권 제4호

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