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Threedimensional Finite Element Analysis of Three Removable Partial Dentures under Different Loading Conditions
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CUI Wen1,WANG Dongmei1,WANG Chengtao2,HUANG Qingfeng2,ZHANG Fuqiang2
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(1. Institute of Biomedical Manufacturing and Life Quality Engineering, Shanghai Jiaotong University, Shanghai 200240, China; 2. Department of Prosthodontics, Ninth People’s Hospital, School of Medcine, Shanghai Jiaotong University, Shanghai 200011, China)
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Abstract To investigate the biomechanical effects of three removable partial dentures，the 3D finite element analysis(FEA) models of the mandible with molar missing, rehabilitated using traditional, RPI and implantsupported removable partial denture, were built based on models from the Mechanical Virtual Human of China database. The FEA was conducted in ABAQUS6.51. Two types of forces, vertical and oblique force, were loaded on these models. The FEA results suggest that the RPI removable partial denture is more helpful than the traditional RPD against the vertical and oblique loads, and the implantsupported RPD is more helpful than the other two, especially under oblique loading.
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Received: 21 September 2009
Published: 30 November 2010
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