下颌后牙悬臂梁式桥体的光弹性应力分析
Photoelastic stress analysis of mandibular posterior cantilevered pontic.
作者信息
Wang C H, Tsai C C, Chen T Y, Chang G L
机构信息
Graduate Institute of Dental Sciences, Kaohsiung Medical College, Taiwan.
出版信息
J Oral Rehabil. 1996 Oct;23(10):662-6. doi: 10.1046/j.1365-2842.1996.d01-183.x.
Abstract
The quasi-3D technique of photoelastic stress analysis was used to evaluate the stresses of mandibular posterior cantilevers for distal terminal abutments at various levels of periodontal support. The stress concentration index was selected to compare each model. The periodontal support of terminal abutment and the length of pontic must be considered, when a cantilever fixed partial denture is anticipated.
摘要
采用光弹性应力分析的准三维技术，评估不同牙周支持水平下远中末端基牙下颌后牙悬臂梁的应力。选择应力集中指数对各模型进行比较。当预期设计悬臂式固定局部义齿时，必须考虑末端基牙的牙周支持情况和桥体长度。
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