有限元分析模型用于评估手术辅助快速部扩张的膨胀模式
Jia-Hong Lin1, Guan-Lin Wu2, Chun-Kai Chiu2
1Department of Orthodontics, School of Dental Medicine, University of Pennsylvania.
Journal of visualized experiments : JoVE
|November 6, 2023
概括
手术辅助快速 palatal 扩张 (SARPE) 可以导致不对称的结果. 这项研究开发了一种新的有限元模型,以分析口腔骨切除的角度如何影响3D中半额扩张.
科学领域:
- 矯正牙醫和臉外科手術
- 生物医学工程 生物医学工程
- 计算力学 计算力学 计算力学
背景情况:
- 手术辅助快速口腔扩张 (SARPE) 旨在增加成熟患者的骨宽度.
- 不对称的 palatal 扩张发生在超过 7% 的 SARPE 病例中,需要修复手术.
- 现有的有限元模型不充分模拟临床扩展量,限制对不对称结果的理解.
研究的目的:
- 开发一种新的,经过验证的有限元模型,用于模拟临床相关的SARPE扩张.
- 为了分析不同口腔骨解剖配置下的半巴的三维扩张模式.
主要方法:
- 来自CBCT数据的3D头骨模型被细分和镜像,以创建一个对称的部复合体.
- 哈斯扩展器实际上放置在前和上.
- 在Ansys模拟的SARPE中进行有限元分析,具有多种口腔骨切片角度和1毫米的清除,实现至少6毫米的总膨胀.
主要成果:
- 这项研究奠定了评估口腔骨解剖角度对SARPE扩张模式的影响的基础.
- 开发的模型允许在所有三个维度中分析半额扩张.
结论:
- 这种新的有限元模型为研究影响SARPE结果的生物力学因素提供了一个强大的平台.
- 使用这种模型进行进一步的研究可以阐明不对称膨胀的原因,并优化手术规划.
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