基于X射线CT图像构建的天然牙齿和颌骨三维CAD/FEM分析系统的开发。
Development of 3D CAD/FEM Analysis System for Natural Teeth and Jaw Bone Constructed from X-Ray CT Images.
作者信息
Hasegawa Aki, Shinya Akikazu, Nakasone Yuji, Lassila Lippo V J, Vallittu Pekka K, Shinya Akiyoshi
机构信息
Department of Crown and Bridge, School of Life Dentistry at Tokyo, The Nippon Dental University, 1-9-20 Fujimi, Chiyoda-Ku, Tokyo 102-8159, Japan.
出版信息
Int J Biomater. 2010;2010. doi: 10.1155/2010/659802. Epub 2010 Jul 18.
A three-dimensional finite element model of the lower first premolar, with the three layers of enamel, dentin, and pulp, and the mandible, with the two layers of cortical and cancellous bones, was directly constructed from noninvasively acquired CT images. This model was used to develop a system to analyze the stresses on the teeth and supporting bone structure during occlusion based on the finite element method and to examine the possibility of mechanical simulation.
通过非侵入性获取的CT图像直接构建了下颌第一前磨牙的三维有限元模型，该模型包含牙釉质、牙本质和牙髓三层结构，以及下颌骨的皮质骨和松质骨两层结构。利用该模型开发了一个系统，基于有限元方法分析咬合过程中牙齿和支持骨结构上的应力，并研究机械模拟的可能性。
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