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Biomechanical analysis and comparison of 12 dental implant systems using 3D finite element study

机译：使用3D有限元研究的12种种植牙系统的生物力学分析和比较

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摘要

Finite element analysis plays an important role in dental implant design. The objective of this study was to show the effect of the overall geometry of dental implants on their biomechanics after implantation. In this study, 12 dental implants, with the same length, diameter and screw design, were simulated from different implant systems. Numerical model of right mandibular incisor bone segment was generated from CT data. The von-Mises stress distributions and the total deformation distributions under vertical/lateral load were compared for each implant by scores ranking method. The implants with cylindrical shapes had highest scores. Results indicated that cylindrical shape represented better geometry over taper implant. This study is helpful in choosing the optimal dental implant for clinical application and also contributes to individual implant design. Our study could also provide reference for choice and modification of dental implant in any other insertion sites and bone qualities.
机译：有限元分析在牙种植体设计中起着重要作用。这项研究的目的是显示牙科植入物的整体几何形状对其植入后生物力学的影响。在这项研究中，从不同的种植体系统模拟了12个具有相同长度，直径和螺钉设计的种植体。根据CT数据建立右下颌切牙骨节段的数值模型。通过分数分级法比较了每种植入物在垂直/横向载荷下的von-Mises应力分布和总变形分布。圆柱形的植入物得分最高。结果表明，圆柱形状比锥形植入物具有更好的几何形状。这项研究有助于为临床应用选择最佳的牙种植体，并且有助于个人种植体的设计。我们的研究还可以为其他任何插入部位和骨骼质量的种植体选择和改良提供参考。

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  • 作者

    Rui Liang; Weihua Guo; Xiangchen Qiao; Hailin Wen; Mei Yu; Wei Tang; Lei Liu; Yongtao Wei; Weidong Tian;

  • 作者单位

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China,Department of Mechanical and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China,Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China,Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China,Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China,Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, P.R. China;

    Department of Mechanical and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, P.R. China;

    State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, P.R. China,Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu, P.R. China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    dental implant; implant shape; finite element;

    机译：牙种植体;植入物形状有限元;

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