中国组织工程研究

中国组织工程研究 ›› 2010, Vol. 14 ›› Issue (39): 7263-7267.doi: 10.3969/j.issn.1673-8225.2010.39.011

• 数字化骨科 digital orthopedics • 上一篇    下一篇

上颌切牙区3种不同形式种植固定桥三维有限元模型的建立

黄颖荷1，聂二民1，陈霞云2，刘  伟1，张春元1，胡玲玲3   

  1. 1中山大学附属第一医院口腔科，广东省广州市 510080； 2中山大学附属第三医院口腔科，广东省广州市  510630；3中山大学应用力学与工程系，广东省广州市  510275
  • 出版日期:2010-09-24 发布日期:2010-09-24
  • 通讯作者: 张春元，硕士，教授，中山大学附属第一医院口腔科，广东省广州市 510080 zhangcy1902@126.com
  • 作者简介:Huang Ying-he★, Master, Department of Stomatology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China niean_1999@163.com Nie Er-min★, Master, Physician, Department of Stomatology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • 基金资助:

    广东省科技厅社会发展项目(2007B080701029，2008B080703032)。

Establishment of a three-dimensional finite element model of fixed bridge supported by implants with three different forms in the anterior maxilla

Huang Ying-he1, Nie Er-min1, Chen Xia-yun2, Liu Wei1, Zhang Chun-yuan1, Hu Ling-ling3   

  1. 1 Department of Stomatology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou  510080, Guangdong Province, China;2 Department of Stomatology, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou  510630, Guangdong Province, China;3 Department of Applied Mechanics and Engineering, Sun Yat-sen University, Guangzhou  510275, Guangdong Province, China
  • Online:2010-09-24 Published:2010-09-24
  • Contact: Zhang Chun-yuan, Master, Professor, Department of Stomatology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China zhangcy1902@126.com
  • About author:黄颖荷★，女，1974年生，广东省台山市人，汉族，中山大学毕业，硕士，主要从事口腔修复学方面研究。 niean_1999@163.com 并列第一作者：聂二民★，男，1980年生，河南省许昌市人，汉族，中山大学毕业，硕士，医师，主要从事口腔修复学方面研究。
  • Supported by:

     the Social Development Project of Guangdong Provincial Science and Technology Department,No.2007B080701029*, 2008B080703032*

PDF

781

被引次数

10

摘要：

背景：研究表明，三维有限元分析法是分析种植体周围骨界面生物力学分布的重要研究手段，精确的模型构建是三维有限元准确分析的基础，可为优化种植设计方案提供研究支持。
目的：建立3种不同形式种植固定桥修复上颌切牙区的三维有限元模型，为研究其生物力学分布提供数学化模型。
方法：利用CT扫描技术和Geomagic studio 9.0软件、Mimics 10.01软件的实体建模技术，结合 ANSYS 10.0有限元分析软件建立人上颌切牙区3种不同形式种植体支持固定桥的三维有限元模型。
结果与结论：成功建立了三维有限元模型，总节点数为365 173个，四面体总单元数为204 854个。该模型获得上颌骨、上颌中切牙、侧切牙、种植体及瓷层的形态，具有良好的几何相似性。提示将CT 扫描技术、数字图像处理技术与一系列计算机软件相结合，建立三维有限元模型的方法是行之有效的。

关键词: 种植体, 种植义齿, 有限元, 三维有限元模型, 数字化口腔科技术

Abstract:

BACKGROUND: Studies demonstrates that the analytical method of three-dimensional finite element is an important research method that analyzes the biomechanical distribution of the bone interface around implants. Accurate construction of three-dimensional finite element model that provides research support for the optimization of implant design is the basis of accurate analysis.
OBJECTIVE: To establish a three-dimensional finite element model of fixed bridge supported by implants with three kinds of different forms in the anterior maxilla, and to provide the mathematical model for biomechanical research.
METHODS: A three-dimensional finite element model of fixed bridge supported by implants with three kinds of different forms in the anterior maxilla was established by the CT scanning technology, the solid modeling technology of the Geomagic studio 9.0 software and Mimics 10.01 software, and the technology of Finite Element Analysis with the ANSYS 10.0 software.
RESULTS AND CONCLUSION: The three-dimensional finite element model which was consisted of 204 854 elements and 365 173 nodes and obtained the forms of the jaw, maxillary central incisors, lateral incisors, implant and porcelain crown-bridge was successfully constructed, which had a good geometrical similarity. The method that combining the CT scanning technology and digital image treatment technology by using a series of computer software to establish a three-dimensional finite element model is conceivable.

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