Peri-implant stress analysis in simulation models with or without trabecular bone structure.
Peri-implant stress analysis in simulation models with or without trabecular bone structure.
复制标题
DOI：
--
复制
发表时间：
2006
期刊：
影响因子：
--
通讯作者：
R. Stegaroiu;N. Watanabe;Mikako Tanaka;S. Ejiri;S. Nomura;O. Miyakawa
中科院分区：
文献类型：
--
作者：
R. Stegaroiu;N. Watanabe;Mikako Tanaka;S. Ejiri;S. Nomura;O. Miyakawa
大多数三维（3D）有限元分析（FEA）将松质骨简化为块，完全忽略其小梁结构。因此，进行了3D FEA，以比较精确模拟小梁结构的模型（精确模型）与具有均匀松质骨组件的模型（简化模型）的植入物周围应力分布。与简化模型相比，精确模型中的分布模式和更高的应力可以解释与载荷相关的种植体失效中种植体-骨界面处的总体骨吸收。计划使用颌骨数据进行进一步研究，并进行更详细的种植体模拟。
Most 3-dimensional (3D) finite element analyses (FEAs) simplify the cancellous bone to a block and completely ignore its trabecular structure. Thus, a 3D FEA was performed to compare the peri-implant stress distribution of a model in which the trabecular structure was accurately simulated (precise model) with that of a model with a homogenous cancellous bone component (simplified model). In contrast to the simplified model, the distribution patterns and higher stresses in the precise model may explain the overall bone resorption at the implant-bone interface in load-related implant failures. Further studies using data from the jawbone and a more detailed implant simulation are planned.