UNASSIGNED: A case-control retrospective study was conducted, utilizing 212 latero-lateral telecranium radiographs to analyze skeletal maturity according to the cervical vertebral maturation method, the Angle\'s classification of malocclusion (I, II, or III), and the presence or absence of the PP, whether complete (c-PP) or partial (p-PP). A total of 212 lateral cephalograms were analyzed.
UNASSIGNED: Of the 72 male patients, 67 (93%) exhibited PP, and 116 (88%) were PP. The chi-square value was 0.001, while Cramer\'s V was 0.270, indicating a significant correlation between age groups and PP presence, and a very strong association overall. Out of the 41 complete PP cases, class I was notably more prevalent than classes II and III.
UNASSIGNED: Orthodontists should carefully consider PP when assessing and treating individuals with or without skeletal discrepancies and dental anomalies.
■进行了病例对照回顾性研究,根据颈椎成熟方法,利用212张外侧远距X射线照片分析骨骼成熟度,角度错牙合的分类(I,II,或III),以及是否存在PP,无论是完全(c-PP)还是部分(p-PP)。总共分析了212张外侧头颅图。
■在72名男性患者中,67(93%)表现出PP,116(88%)为PP。卡方值为0.001,而Cramer'sV为0.270,表明年龄组与PP存在显著相关,和一个非常强大的整体协会。在41个完整的PP案例中,I类明显比II类和III类更为普遍。
■正畸医生在评估和治疗有或没有骨骼差异和牙齿异常的个体时,应仔细考虑PP。