附着面向和设计的垂直运动对明确对齐器的摩尔距离的影响:生物力学有限元素研究
Jialun Li1, Yi Yang1, Xian He1
1Department of Orthodontics, State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.
Orthodontics & craniofacial research
|November 18, 2024
概括
附着的方向显著影响清晰的对齐器骨偏离. 最佳结果取决于特定的垂直力:一般偏离90°,入侵135°,挤出45°.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 生物材料工程 生物材料工程
背景情况:
- 透明对齐器越来越多地用于正牙治疗.
- 骨偏离是常见的正统牙科目标.
- 优化清晰的对齐器机制,以使关节运动至关重要.
研究的目的:
- 通过使用清晰的对齐器,评估关节粘附方向和垂直力如何影响关节偏离.
- 为了具体分析垂直力在上二骨偏离过程中的影响.
主要方法:
- 通过3D有限元分析,模拟了用清晰的对齐器模拟上等远离.
- 测试了四个固定方向 (0°,45°,90°,135°) 的测试.
- 场景包括单独远离,侵入和挤出.
主要成果:
- 所有模型都显示出口部倾斜,远部倾斜和入侵倾向.
- 135度的连接带来了最远的移动与侵入;45度与挤出.
- 侵入力通常会产生比挤出力更大的远距离运动.
结论:
- 附着的方向极大地影响了清晰的对齐器位偏离和垂直控制.
- 90度的附着是最有效的一般的偏离.
- 特定的方向 (入135°,挤出45°) 增强了有针对性的垂直运动.
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