生物机械分析二级引配置和对齐器过度处理对摩尔脱稳的影响:有限元素研究
Jialun Li1, Yi Yang1, Ziwei Tang1
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 610041, Sichuan, China.
European journal of orthodontics
|October 16, 2024
概括
清晰的对齐器过度处理可以实现身体的干脱稳. 使用垂直附件和精密切割的II类弹性钢材可以增强这种效果,同时最大限度地减少固损失.
科学领域:
- ортодонтика牙移动的生物机械分析.
- 牙科研究中的有限元分析.
背景情况:
- 透明对齐器越来越多地用于复杂的正牙治疗.
- 用清晰的对齐器优化骨脱稳需要理解生物力学原理.
研究的目的:
- 为了评估清晰对齐器过度处理对第二位移动的生物力学结果.
- 为了比较不同的固定配置和II类弹性引方法.
主要方法:
- 创建了模拟第二摩尔脱稳的有限元素模型.
- 分析了各种连接类型 (没有,水平,垂直) 和II类弹性 (精密切割,按).
- 模拟了与渐进的根远端倾斜的对齐器过度处理效应.
主要成果:
- 第二个骨脱稳导致口腔倾斜,远端倾斜和侵入.
- 垂直附件和II类弹性弹性改善了脱稳和定.
- 调整器过度处理促进了身体运动,并减少了对固定牙的不良影响.
结论:
- 建议使用垂直附着物和精密切割的II类弹性钢材,以实现有效的干脱稳.
- 适当的对齐器过度处理有助于身体的牙运动,并最大限度地减少 anchorage问题.
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