一个计算框架,用于模拟患者特定的TMJ生物力学,使用多体动力学和有限元素方法的组合
Farhad Ahmadi1, Shuchun Sun1,2, Jichao Zhao1
1Clemson-MUSC Joint Bioengineering Program, Department of Bioengineering, Clemson University, Clemson, SC, USA.
Annals of biomedical engineering
|March 2, 2026
概括
这项研究引入了一个计算框架来评估关节 (TMJ) 生物力学,为患者提供有关关节力量和压力的具体见解,以帮助诊断关节疾病.
科学领域:
- 生物力学 生物力学
- 计算建模计算建模
- 矯正牙科 矯正牙科是一種矯正牙科.
背景情况:
- 关节 (TMJ) 疾病与关节接触力和压力有关.
- 目前,直接测量这些生物力学参数是不切实际的.
- 对于患者特定的TMJ分析,需要使用计算方法.
研究的目的:
- 开发和介绍一个计算框架来评估TMJ生物力学参数.
- 将功能评估与患者特定建模相结合.
- 为评估TMJ健康提供一种实用的方法.
主要方法:
- 获取患者特定的功能和形态数据.
- 开发结合的多体动力学和有限元素 (MBD-FE) 模型.
- 模拟患者特定的咬伤任务,在一个前/后骨架手术场景中演示.
主要成果:
- 手术导致功能改善 (增加咬伤力,改变肌肉使用) 和形态适应.
- 模拟显示,在单边咬过程中,反侧面的联合力超过了反侧面的联合力.
- 预测高磁盘应力区域与减少关节间隙和不良一致性相关,证明了形态学-功能相互作用.
结论:
- 开发的框架统一了个性化的功能输入和学科特定的几何结构.
- 它提供了一个切实可行的基础,用于针对患者量身定制的生物力学参数评估.
- 这种方法支持TMJ护理中的临床决策.
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