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내측연결 시스템에서 임플란트 고정체의 경부 형태에 따른 지지골에서의 유한요소 응력분석

Finite Element Stress Analysis in Supporting Bone according to Crest Module Shape of Fixture in Internal ction System

정재헌|오상호|김희중|박영남
대한턱관절교합학회 (Korean academy of stomatognathic function and occlusion)|2006.03|구강회복응용과학지 (Journal of Dental Rehabilitation and Applied Science)|제22권 제1호|pp. 55-74

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참고문헌

주제분류치의학

초록

Abstract

Finite Element Stress Analysis in Supporting Bone according to Crest Module Shape of Fixture in Internal Connection System Young-Nam Park, Hee-Jung Kim, Sang-Ho Oh, Chae-Heon Chung Dept of Prosthodontics, College of Dentistry, Chosun University The external contour of an implant can have significant effects on the load transfer characteristics and may result in different bone failure rates for different implant system. The purpose of this study was to investigate the effects of crest module shape and occlusal load direction on bone failure modes of five commercially available dental implant systems. Five different implant systems with internal connection; ITI (Model 1), Astra (Model 2), Bicon (Model 3), Friadent (Model 4), and Paragon (Model 5), comparable in size, but different in thread profile and cest module shapes, were compared using the finite element method. Conclusively, in the internal connection system of the implant-abutment connection methods, the stress-induced pattern at the supporting bone according to the abutment connection form had differenence among them, and implants with narrowing crestal module cross-sections at the top of the cortical bone created more favorable load transfer characteristics in this region. But it is considered that the future study is necessary about how this difference in the magnitude of the stress have an effect on the practical clinic.

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