在多个角度使用双块器件评估骨关综合体中的应力和位移:有限元研究
Lirong Dong1, Wenli Huang1, Haoting Wu1
1Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China; School of Stomatology, Qingdao University, Qingdao, 266023, China.
概括
双块器件的有限元分析表明,各种角度影响骨关综合体应力和位移. 更的角度 (70°) 产生更高的力,可能增强下的生长和重新定位.
科学领域:
- ортодонтика和牙科生物力学
- 头骨面部的生长和发育.
- 在牙科领域的有限元分析.
背景情况:
- 双胞胎区块器件被广泛用于下提升.
- 了解不同设备设计的生物力学影响对于优化治疗结果至关重要.
- 之前的研究还没有完全探索与双重块设备中不同倾斜平面角度相关的应力和位移模式.
研究的目的:
- 通过有限元素方法来评估骨关综合体内的应力和位移模式.
- 模拟在双块设备中集成的倾斜平面的不同角度 (45°,60°,70°) 的影响.
- 评价机械对状,牙,骨和关节盘的冲击.
主要方法:
- 使用圆束计算机断层扫描 (CBCT) 扫描创建了一个3D有限元模型.
- 该模型结合了面骨结构,关节盘,牙元素,牙周带和双块器件.
- 模拟分析了三种不同的倾斜平面角度 (45°,60°,70°) 下的应力和位移.
主要成果:
- 双块装置在牙和牙周带之间分配压力,帮助下部的推进.
- 对状骨的压力减小,促进状骨和下骨的生长.
- 70°倾斜的平面产生了最高的组织力,在状中产生了显著的压力,表明重塑的潜力.
结论:
- 所有经过测试的双块装置的角度都有效地推进了下.
- 一个45°倾斜的平面提供了平衡的力量,而更的角度 (60°,70°) 产生了更大的水平力.
- 更的角度可以增强前下的生长,并促进更有效的重新定位.
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