| 建立下颌第一二磨牙缺失三基牙双端固定桥修复三维有限元模型 |
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| 引用本文： | 吴娴,张一岭,陈艳,张翼.建立下颌第一二磨牙缺失三基牙双端固定桥修复三维有限元模型[J].口腔颌面修复学杂志,2010,11(6). |
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| 作者姓名： | 吴娴 张一岭 陈艳 张翼 |
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| 作者单位： | [1]福建医科大学口腔医学院 [2]厦门大学土木工程系 [3]福建医科大学教学医院 [4]解放军第一七四医院 |
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| 摘 要： | 目的:建立下颌第一磨牙和第二磨牙缺失三基牙双端固定桥的三维有限元模型,为其力学分析提供数字模型。方法:采用螺旋CT扫描获得断层图像,用Mimics软件进行三维重建,导入Ansys软件中建立下颌第一磨牙和第二磨牙缺失三基牙双端固定桥的三维有限元模型。结果:建立的有限元模型包括牙齿、修复体、牙周膜和牙槽骨,共4260835个单元和739986个节点。结论:该模型有较好的力学和几何学相似性,可用来进行固定桥修复的生物力学研究。
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| 关 键 词： | 固定桥 有限元方法 三维有限元模型 |
The construction of the three-dimensional finite element model of three abutments of the rigid fixed bridge in deletion of first molar and second molar in mandibular |
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| WU Xian,ZHANG Yi-ling,CHEN Yan,ZHANG Yi.The construction of the three-dimensional finite element model of three abutments of the rigid fixed bridge in deletion of first molar and second molar in mandibular[J].Chinese Journal of Prosthodontics,2010,11(6). |
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| Authors: | WU Xian ZHANG Yi-ling CHEN Yan ZHANG Yi |
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| Institution: | WU Xian; ZHANG Yi-ling; CHEN Yan; ZHANG Yi.(Stomatological College of Fujian Medical University Fujian 361003; China); |
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| Abstract: | Objective: To construct a three-dimensional(3-D) finite element model of three abutments of the rigid fixed bridge in deletion of first molar and second molar in mandibular and provide a digital model for analysing the biomechanical properties of the rigid fixed bridge.Methods: Based on the images scanned by CT technique,the 3-D model was reconstructed by a software named Mimics,and the 3-D finite element model including teeth,restorations,odontoperiosteum and alveolar bone was constructed in the Ansys prog... |
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| Keywords: | rigid fixed bridge finite element method a three-dimensional finite element model |
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