基于水力机械合模型的牙周带流体力学对闭塞负荷的反应的有限元分析
Zhongyu Wang1, Sa Du1, Huilin Zhu1
1Second Clinical Division, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, No.22, Zhongguancun South Avenue, Haidian District, Beijing.
Archives of oral biology
|May 23, 2024
概括
闭口负荷会导致牙周带中流体的流动. 这种流体运动,特别是在口和顶部区域,由骨内缺陷放大,影响组织生物力学.
科学领域:
- 生物医学工程 生物医学工程
- 牙周病学 牙周病学
- 流体力学 流体力学 流体力学
背景情况:
- 液体刺激是牙周组织的关键生物机械信号.
- 了解牙周带内流体力学对于分析组织对闭塞力反应至关重要.
研究的目的:
- 用一种新的水力机械合模型来描述在闭塞负荷期间牙周带内的流体力学反应.
- 为了研究骨内缺陷对周期体的流体动力学的影响.
主要方法:
- 开发了一种带牙的水力机械合模型,包括牙,带牙带,膜骨.
- 在动态闭塞负荷下进行过渡性分析.
- 在牙周带内模拟和可视化流体动力学.
主要成果:
- 观察到在牙周带内在闭塞负荷下反复振荡的液体流.
- 与其他地区相比,在孔隙和顶峰区域发现较高的孔隙压力和流体速度.
- 证明骨内缺陷显著增加孔隙压力和流体速度,特别是在缺陷部位附近.
结论:
- 闭口负荷会在牙周带中诱导显著的振荡流体运动.
- 流体速度在孔隙和顶峰区域显著更高.
- 骨内缺陷大大提高了牙周带内的流体运动,突出显示了它们对生物机械信号的影响.
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