基于前部侵入的垂直控制与常规的斜收缩在患有超分离下逆转的青少年中的有效性:随机对照试验的研究协议
Shuangshuang Shi1,2, Wei Zhang3, Weihua Zhang4
1Department of Orthodontics, Fudan University Shanghai, Shanghai, China.
BMJ open
|January 30, 2026
概括
这项研究评估了一种新的微植入技术,用于青少年的高分歧II类恶性闭塞. 该方法旨在通过控制垂直生长和反时钟方向旋转下来改善面部形状和呼吸道形态.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 头骨面部形态学 头骨面部形态学
- 牙的闭塞 牙的闭塞
背景情况:
- 过度分离的骨II类缺陷包括下逆转和过度的垂直生长.
- 这种情况可能会对面部美学和呼吸道尺寸产生负面影响.
- 传统的治疗可能会加剧垂直生长,使它们不适合长面图案.
研究的目的:
- 评估一种微植入物辅助的技术,用于纠正超分离的II类缺陷.
- 评估该技术在平平 occlusal 平面和促进逆时钟方向下旋转的有效性.
- 与传统方法相比,以确定对面部形状和喉空间的影响.
主要方法:
- 一个多中心,双臂,随机对照试验,涉及90名青少年.
- 参与者被分配到传统的前牙收缩 (对照) 或微型植入物辅助的垂直控制与闭合平面平整 (测试).
- 主要结果:A点-nasion-B点角度的变化. 二次结局:闭口平面,切口/牙高度,以及面部高度的变化.
主要成果:
- 将评估主要结果,即A点-国家-B点角度的变化.
- 将测量次要结果,包括闭合平面的变化,切口和牙的高度,以及面部高度.
- 数据将在基线,治疗后和治疗结束后12个月收集.
结论:
- 微植入物辅助技术提供了一个潜在的替代方案来管理超分离的II类恶性闭塞.
- 这种方法可以更好地控制垂直维度和下旋转.
- 进一步的研究将阐明对面部形状和呼吸道形态的长期影响.
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