年轻成年人中与唇角和下唇变动相关的头度特征:一个横截面研究
Luis Ernesto Arriola-Guillén1, André Alexis Díaz-Quevedo2, Yalil Augusto Rodríguez-Cárdenas3
1Ph.D. and Associate Professor of the Division of Orthodontics, Universidad Científica del Sur, Lima, Perú.
Journal of clinical and experimental dentistry
|September 15, 2025
概括
下切口的倾斜度和过射显著影响口角和嘴唇扭伤风险. 女人表现出更大的脑角,而男性更容易出现唇部变形,切肢倾斜度增加和过射增加了这种风险.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 牙科脑膜测量术的使用方法
- 面部美学 面部美学
背景情况:
- 头脑测量分析对于理解影响口角和下唇变动的因素至关重要.
- 这些头度特征是正牙治疗规划和治疗结果的重要考虑因素.
研究的目的:
- 为了研究骨和dentoalveolar头脑测量特征对青少年嘴唇角和下唇变动的影响.
- 为了确定与口角和下唇变动相关的特定头脑测量预测因子.
主要方法:
- 一项横截面研究,分析了138名 (15-40岁) 个体的头部侧面射线图.
- 脑测量测量包括心唇角,嘴唇变动,喷射,下切肢位置/倾斜 (IMPA,I-NB,I.NB),上切肢位置/倾斜 (I-NA,I.NA,UIPP),大/下斜面位置 (SNA,SNB) 和骨架关系 (ANB,FMA).
- 统计分析采用了多重线性和二进制物流回归.
主要成果:
- 在女性中, mentolabial 角度显著更大 (平均差异为 7.68°).
- 增加的下切肢倾斜度 (IMPA) 和过射与减少的脑角相关.
- 与男性相比,女性患唇部变的可能性低82%.
- 增加下切肢倾斜 (I.NB) 和过喷气显著增加了唇变的风险.
结论:
- 下切肢的倾斜和喷射是 mentolabial 角度的主要决定因素.
- 性别差异存在于脑角和唇变的可能性.
- 增加下切肢的倾斜度和过喷射与更高的唇部变形风险相关.
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