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《Acta Academiae Medicinae Militaris Tertiae》 2006-11
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Establishment of 3-D finite element models of immediately loaded dental implants

WANG Kun~(1),LI De-hua~(2),ZHOU Ji-xiang~(1),ZHANG Congji~(1),SONG Ying-liang~(2),LIU Bao-lin~(2),LI Yu-long~(3) (~(1)Department of Dentistry,Southwest Hospital,Third Military Medical University,Chongqing 400038,~(2)Department of Oral Implantology,Qindu Stomatological Hospital,Fourth Military Medical University,Xi'an 710032,~(3)Department of Aircraft Engineering,Northwestern Polytechnical University,Xi'an 710072,China)  
Objective To create 3-D models of immediately loaded screw-type dental implants for finite element analysis by computer.Methods Using the commercial code of SolidWorks,3-D models of screw-type dental implants and a segment of mandibular bone were generated.By ABAQUS software,the 3-D implant-bone complex was meshed.The interfacial contact of bone and the implants was defined to be a frictional contact with the initial press-fit stress(by Interference Fit Option) to simulate the contact of immediately loaded implants and bone tissue.Results The finite element models of the immediately loaded screw-type implant were successfully created on the computer.As the interference fit got deeper,the interfacial initial press-fit stress got higher values.Conclusion The finite element models of the immediately loaded screw-type implants can be built with this method.The interfacial status of the primary press-fit stress can be simulated by the Interference Fit Options in the finite element software.
【CateGory Index】: R783
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