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目的:研究前后平面交角在正畸治疗中的意义。方法:取浙江省口腔医院正畸科127例初诊病例的模型和头颅定位侧位片,利用万能角度尺在模型上测量上颌前平面(AOP)、后平面(POP)的龈向夹角和下颌前、后平面的向夹角,以此为前后平面交角(AOP-POP),并将上颌AOP-POP与下颌同侧AOP-POP的差值简称为上下平面交角差,左右两侧取均值,用SPSS 16.0进行分析。结果:不同覆程度的患者其上、下颌前后平面交角差异有显著性(P<0.01),不同年龄组的患者上颌前后平面交角差异有显著性(P<0.01)。结论:AOP-POP能反映曲线曲度,上下平面交角差与覆相关。
Objective: To study the significance of anterior and posterior plane angle in orthodontic treatment. Methods: A total of 127 cases of newly diagnosed cases of orthodontics in Zhejiang Stomatological Hospital were taken from the orthodontic department of Zhejiang Provincial Hospital. The maxillary gingival angle (AOP) and posterior panicle (POP) (AOP-POP), and the difference between AOP-POP of maxillary and ipsilateral AOP-POP of mandible is simply referred to as the angle between the upper and lower plane, Left and right sides take the average, with SPSS 16.0 for analysis. Results: There was significant difference in angle of anterior and posterior hallucinations between patients with different degree of bruises (P <0.01). There was significant difference in angle of anterior and posterior maxilla between different age groups (P <0.01). CONCLUSION: AOP-POP can reflect curvature of curve, and the angle between upper and lower plane is related to 覆 .