用不同的材料在Burstone几何体中激活的横侧弧力系统的有限元分析
Zaid Dewachi1, Lamiaa A Hasan1, Mohammed N A Alrawi2
1Department of Pedodontics, Orthodontics, and Prevention, College of Dentistry, University of Mosul, Mosul, Iraq.
Journal of orthodontic science
|July 9, 2025
概括
欧米茄环横侧门 (TPA) 有效地减轻了牙的旋转. 不钢TPA比-- (TMA) 合金产生更高的应力和位移,需要仔细考虑 anchorage.
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
- 生物力学 生物力学
背景情况:
- 跨门 (TPA) 是一个常见的正牙器件.
- 欧米茄环设计提供了特定的激活可能性.
- 了解材料特性对于预测TPA行为至关重要.
研究的目的:
- 量化欧米茄环TPA的应力和位移模式.
- 为了比较不钢和-- (TMA) 材料.
- 在不同的Burstone几何体 (II,III,V) 中分析TPA激活.
主要方法:
- 创建了一个人类部的3D CBCT模型.
- 在Burstone几何中对Omega环TPA进行虚拟力应用.
- 使用不钢和TMA材料分析应力和位移.
主要成果:
- 在不钢和TMA TPA中观察到类似的应力和位移模式.
- 不钢TPA表现出比TMA更高的应力和位移值.
- 骨质 mesial 倾斜发生在很大的时刻;最大的位移是围绕 x 轴 (倾斜).
结论:
- 欧米茄环TPAs有效地脱落了上部第一牙.
- ортодонт医生必须考虑 anchorage 强化来管理反应力,特别是对于单边旋的高力.
- 材料选择 (不钢与TMA) 影响力和位移的大小.
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