在三个不同的应用区域使用骨架 anchorage 的上弓脱稳定有限元分析
1Department of Orthodontics, Faculty of Dentistry, Inonu University, Malatya, Turkey.
Scientific reports
|July 5, 2025
概括
这项研究使用有限元分析比较了三种骨 anchorage系统,用于上弓脱稳. 使用迷你螺丝辅助Keleş滑动器 (MKS) 和低凸脊 (IZC) 螺丝对二级二级二级的缺陷提供了受控的运动.
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
- 面生物学 面生物学
背景情况:
- 弓脱对于治疗II类缺陷的治疗至关重要.
- 骨固定系统可以更好地控制牙的移动.
- 对比不同的固系统对于优化治疗结果至关重要.
研究的目的:
- 通过使用三个骨架固定系统来评估关门整体脱稳:迷你螺丝辅助Keleş滑动器 (MKS),内肌脊 (IZC) 螺丝和关管 (MT) 螺丝.
- 通过有限元分析 (FEA) 分析不同力应用点和方向对牙运动和应力分布的影响.
主要方法:
- 开发了一个3D有限元素分析 (FEA) 模型的头骨和骨复合体.
- 模拟涉及在各种垂直高度 (MKS,IZC) 和方向 (MT) 施加力.
- 分析了九种情况的牙位移 (横向,斜向,垂直) 和·米塞斯压力.
主要成果:
- 角力应用 (MKS和IZC在3-6毫米) 导致控制的位移,适用于II类二级二级的缺陷.
- 具体情景显示,MKS和IZC集团的冠状或根部运动最大.
- MT组的第九个场景产生了显著的 palatal 切口冠冠移位,而第六个IZC场景显示最大的根部运动.
结论:
- 点类型和力方向显著影响大弓脱稳结果.
- 对二级二级二级的案例来说,应用顶端力是有益的.
- 线级和MT螺丝应用更适合于II类第1部门的情况.
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