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A Study of Loading Analysis on the Fixed Bridgework Supported by the Combination of Teeth and Terminal Fixture Abutment

Chao Yonglie; Yang Yongfeng; Zhao Yunfeng(College of Stomatology, West China University of medical Sciences)  
Abstract A loading analysis of the fixed bridgework with teeth and terminal fixture abutment was performed by means of three-dimensional finite element.The results show that teeth abutments have greater deviation of displacement than osseointegrated implants do.The displacement of terminal fixture abutment demonstrates somewhat of perticular patterns,the stress concentrations appear around the neck of abutments especially under Oblique load, and the stress ranges beared on different abutments are quite alike,although stress distributions are uneven on different parts of each abutment.As the conclussion,the fixed bridgework supported by the combination of teeth and terminal fixture abutment should be a special design accepted in clinical practice.
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