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《Beijing Biomedical Engineering》 2006-01
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Computerized Simulation of Occlusal Contacts for Complete Denture Based on 3D Digitized Modeling

CHEN Xiaojun~1,LU Eryi~2,CHEN Jianjun~1,WANG Chengtao~1. 1 Institute of Life Quality via Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200030;2 Ninth People's Hospital,Shanghai Second Medical University,Shanghai 200011  
Aiming at solving the problems on dynamic occlusion of complete denture in the field of dental restoration,this paper presents a computerized system from the viewpoint of integration of related disciplines.Firstly the displacement matrix of mandibular movement on Hanau articulator is established by means of the method of the direction cosine matrix in spatial mechanism.Secondly by programming in Matlab6.5(a language for technical computing),VC6.0++ and VTK(Visualization ToolKit),and adopting these techniques such as laser scanning,computer graphics,and computer database,a 3D digitized model of the denture has been reconstructed;And then the 3D coordinate data of mark points are measured.On basis of this digitized model,the computerized simulation system of occlusal contacts for complete denture is developed.With the aid of this system,the dynamic occlusive procedure of the complete denture mounted on Hanau articulator is clearly observed at any required angle and location of views,in addition,the positions of the occlusal contacts is obtained.Therefore this study is helpful to research on the dynamic occlusion of complete denture and improve dental restorative procedures.
【CateGory Index】: R318.0
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