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随着人民生活水平及文化素质的日渐提高，对容貌有明显影响的错畸形也愈来愈多的受到人们的重视，为了解我市青少年错畸形的发病情况，指导错畸形的预防和矫治工作，对我市青少年作了随机调查。1对象与方法1．1对象随机抽查南宁市中小学一年级至高中三年级学生共4785人，其中男
As people’s living standards and cultural qualities have gradually increased, the malformations that have a significant effect on appearance have also received more and more attention. In order to understand the incidence of adolescent malocclusion in our city, we will guide the prevention and correction of malocclusion. A random survey was conducted on teenagers in the city. 1 Objects and Methods 1.1 Subjects Randomly sampled a total of 4785 students from Grade 1 to Grade 3 in primary and secondary schools in Nanning, including males