第2骨提取:青少年患者自发性闭塞变化的回顾性队列研究
Lucete Fernandes Færøvig1, Nikolaos Pandis2, Ama Johal3
1Department of Orthodontics, Faculty of Dentistry, University of Oslo, Oslo, Norway.
Orthodontics & craniofacial research
|March 6, 2024
概括
在轻度拥挤的青少年中提取L7会导致有利的长期闭塞变化. 单独使用上部固定器械治疗或使用下部固定器械治疗在六年内产生了类似的结果.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 牙门发展 牙门发展
- 摩尔提取效应的影响
背景情况:
- 评估L7提取后的长期闭塞结果对于治疗规划至关重要.
- 了解青少年牙提取后牙弧的自发变化,可以为临床决策提供信息.
研究的目的:
- 为了评估青少年患者L7提取后的长期自发性闭塞变化.
- 为了比较带有和没有下部固定器械治疗的闭塞结果.
主要方法:
- 在L7提取 (T1) 和L8喷发 (T2) 之前,对144名青少年模型 (9-16岁) 的回顾性研究.
- 参与者接受了上部固定设备;一个子组 (n=86) 作为没有下部固定设备的对照.
- 使用PAR指数和使用ABO分级系统使用L8结果评估的闭塞变化.
主要成果:
- 在平均6年随访后,两组之间PAR总得分降低没有显著差异 (83%的控制对比82%的治疗).
- 两组人都对L8 (81.55%的可接受度) 呈现了有利的闭合结局,不管使用的是较低的电器.
- 虽然最初的分数有利于对照组,但最终的结果是可比的,治疗组在下前PAR分数中表现出更大的改善.
结论:
- 上部固定器械治疗后的L7提取促进了温和拥挤的成长患者的有利的长期闭合发育.
- 这种方法是一种可行的替代方案,当下部固定器械治疗不适合时.
- 无论下部固定设备与上部设备一起使用还是不使用, Occlusal 结果都是可比的.
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