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目的:探讨637名维吾尔族大学生第三磨牙萌出的特点及阻生牙的分布情况.方法:采用口镜在灯光下口内直接观察的方法,对637名17～24岁维吾尔族大学生的第三磨牙萌出情况进行调查.结果:①637名维吾尔族青年第三磨牙萌出率为49.22%,男性为54.26%,女性为46.62%.②在已萌出的958颗第三磨牙中,201颗出现了不同类型的阻生,阻生率20.98%,男女之间无统计学差异.在阻生类型中垂直阻生的比例最高,远中阻生的比例最低.结论:①本组调查数据填补了有关资料的空白.②维吾尔族青年第三磨牙萌出数据和其他文献报道的有差异,相关因素有待进一步研究.
Objective: To investigate the characteristics of eruption of third molars and the distribution of impacted teeth in 637 Uighur college students.Methods: A total of 637 Uygur college students from the age of 17 to 24 years old, whose third molars Eruption.Results: ①The eruption rate of the third molar of 637 Uygur young people was 49.22%, 54.26% for males and 46.62% for females.② Of the 958 third molars that had erupted, 201 showed different types of Impaction rate was 20.98%, there was no significant difference between men and women in the type of resistivity in the highest rate of vertical occlusion, the lowest rate of distal obstruction.Conclusion: ① The survey data to fill gaps in the relevant data .②The data of the third molars of Uygur young people are different from those reported in other literatures, and the related factors need to be further studied.