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嵌入式多角形骨重建结构的生物力学评估和拓优化

Shuntao Cui¹, Xinrong Liu¹, Yiqin Liu¹

¹School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai, 201620, China.

Journal of stomatology, oral and maxillofacial surgery

|October 21, 2025

概括

本研究介绍了一种嵌入式多角形骨重建结构 (EPBRS),可以消除对板的依赖. 片优化显著降低了下重建中的压力和改善了形阻力.

科学领域:

生物材料工程生物材料工程
计算力学计算力学计算力学
口腔和牙面部外科手术

背景情况:

传统的下重建方法可能会导致压力屏蔽,骨切割部位愈合不良,骨再吸收.
通常需要板,引入潜在的并发症和限制.

研究的目的:

引入和评估一个嵌入式多角形骨重建结构 (EPBRS) 用于下重建.
通过基于片的拓优化来评估EPBRS的生物力学性能,旨在消除对板的依赖.

主要方法:

使用CT扫描数据创建了EPBRS的计算模型.
设计和模拟了四种EPBRS变体,具有不同的片半径 (0.2-0.8毫米).
应用了生理性负荷,并计算了·米塞斯应力和峰值位移.

主要成果:

增加片半径减少了骨移植 (87.21MPa至37.59MPa) 和下 (100.73MPa至23.9MPa) 中的最大·米塞斯应力.
峰值位移随着初始片半径的增加而减少,并保持稳定.
螺丝的应力保持不变 (170-185MPa).

结论:

在下重建中,EPBRS显示出显著的生物机械安全性和可靠性.
片的优化有效地降低了应力度,并提高了对变形的抵抗力.
这种方法为传统方法提供了一个有前途的替代方案,有可能避免板的并发症.

关键词:

骨的重建骨的重建移位移位移位移位移位片片片片有限元素分析的研究.一个可以口的.压力压力压力压力

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