在面缺陷的人类头骨中,压力轨迹的变化在休负荷期间:有限元素分析:有限元素分析
Pandurangan Harikrishnan1,2, Varadaraju Magesh3
1Department of Orthodontics, Faculty of Dental Sciences, SGT University, Gurugram, Haryana 122505 India.
Journal of maxillofacial and oral surgery
|June 26, 2023
概括
面缺陷改变了头骨中的应力分布,可能会影响面健康. 建议进行重建,以恢复咬伤力期间的正常压力模式.
科学领域:
- 生物机械工程 生物机械工程
- 头骨面部解剖学 头骨面部解剖学
- 牙科机械 牙科机械
背景情况:
- 咬伤力通过压力轨迹通过面部骨和头骨分配压力.
- 面骨缺陷可以改变这种应力分布.
- 了解这些变化对于面部健康至关重要.
研究的目的:
- 为了评估压力分布和压力轨迹的变化在一个人类头骨的面缺陷.
- 分析大切除术缺陷在闭塞负荷时对应力分布的影响.
主要方法:
- 一个有限元 (FE) 模型是从形束计算断层扫描 (CBCT) 数据中构建的,该数据来自一个患有腔切除术缺陷的患者.
- 在剩余的上牙上施加了 Occlusal 负荷力.
- 压力分布和轨迹被可视化.
主要成果:
- 在闭塞负荷时观察到正常应力分布的偏差.
- 由于骨缺陷,在面部和骨区域观察到面部和骨压力轨迹的变化.
结论:
- 骨大面部缺陷在功能力量期间破坏正确的应力分布.
- 这些缺陷的重建对于保持健康的面骨至关重要.
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