下第一个的脱节与清晰的对齐器:一个3D有限元素研究研究
Fujia Kang1,2, Yifei Xu3, Xinyan Zhao1,2
1Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Frontiers in bioengineering and biotechnology
|December 1, 2025
概括
改变下第一个的初始位置和使用附件在正牙治疗期间显著影响牙运动. 优化初始的牙位置可以提高整体治疗效率.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 生物机械工程 生物机械工程
- 牙科建模 牙科建模
背景情况:
- 清晰对齐器治疗 (CAT) 依赖于精确的牙运动.
- 有限元分析 (FEA) 对于模拟牙正中复杂的生物机械相互作用至关重要.
- 了解初始牙位置和附着物的影响是优化CAT结果的关键.
研究的目的:
- 为了研究初始下第一个的定位对牙移位的影响.
- 为了分析不同的附着配置如何影响清晰对齐器治疗期间的牙运动.
- 使用FEA确定最佳策略,以提高正牙治疗效率.
主要方法:
- 创建了一个3D有限元模型,包含下,牙,牙周带,清晰对齐器和附件.
- 模拟进行了下第一个的不同初始位置和不同的附着设置 (没有附着,第二个附着,第一个附着).
- 在不同的模拟场景中量化和分析了牙位移.
主要成果:
- 增加下第一个的远端初始位置增强了它的远端位移和前和前牙的 mesial 位移.
- 与其他组相比,第一牙附着组显示出第一牙,前牙和前牙的更大位移.
- 第二个关节附着组导致第二个关节的最显著的 mesial 位移.
结论:
- 最初的下第一个位的远距离运动增加了它的运动效率.
- 牙连接的位置显著影响牙移动的大小和方向.
- 在最初的牙定位和附着设计中的战略调整可以优化清晰对齐器处理效率.
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