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上颌第一磨牙及其支持结构的三维有限元模型构建。

Construction of a three-dimensional finite element model of maxillary first molar and it's supporting structures.

作者信息

Begum M Sameena, Dinesh M R, Tan Kenneth F H, Jairaj Vani, Md Khalid K, Singh Varun Pratap

机构信息

Department of Orthodontics and Dentofacial Orthopaedics, The Oxford Dental College and Hospital, Bommanahalli, Bangalore, India.

D.A.P.M.R.V. Dental College and Hospital, Bangalore, India.

出版信息

J Pharm Bioallied Sci. 2015 Aug;7(Suppl 2):S443-50. doi: 10.4103/0975-7406.163496.

DOI:10.4103/0975-7406.163496
PMID:26538895
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4606637/
Abstract

The finite element method (FEM) is a powerful computational tool for solving stress-strain problems; its ability to handle material inhomogeneity and complex shapes makes the FEM, the most suitable method for the analysis of internal stress levels in the tooth, periodontium, and alveolar bone. This article intends to explain the steps involved in the generation of a three-dimensional finite element model of tooth, periodontal ligament (PDL) and alveolar bone, as the procedure of modeling is most important because the result is based on the nature of the modeling systems. Finite element analysis offers a means of determining strain-stress levels in the tooth, ligament, and bone structures for a broad range of orthodontic loading scenarios without producing tissue damage.

摘要

有限元法（FEM）是解决应力应变问题的强大计算工具；它处理材料不均匀性和复杂形状的能力使有限元法成为分析牙齿、牙周组织和牙槽骨内部应力水平的最合适方法。本文旨在解释生成牙齿、牙周韧带（PDL）和牙槽骨三维有限元模型所涉及的步骤，因为建模过程最为重要，因为结果基于建模系统的性质。有限元分析提供了一种在不造成组织损伤的情况下，确定广泛正畸加载场景下牙齿、韧带和骨骼结构中应变应力水平的方法。

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Mechanical stress generated by orthodontic forces on apical root cementum: a finite element model.正畸力作用于根尖牙骨质产生的机械应力：有限元模型
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