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目的了解广州市中学生牙列错畸形情况。方法于广州市白云区5所普通中学中随机抽取12~16岁中学生1580名进行错调查。结果错畸形发病率以Ⅱ类最高,Ⅰ类次之,Ⅲ类最低;各类错构成比,上颌骨前突所占比例最大(29.70%);其次分别为双颌前突(26.39%)、牙列拥挤(19.76%)。结论广州市青少年错畸形表现复杂多样,应加强对错畸形的宣传教育及矫治工作。
Objective To understand the malformations of dentition malocclusion in middle school students in Guangzhou. Methods A total of 1580 middle school students from 12 to 16 years old were randomly selected from 5 general secondary schools in Baiyun District of Guangzhou City for investigation. Results The incidence of malocclusion was the highest in category Ⅱ, the lowest in category Ⅰ and the lowest in category Ⅲ. The proportions of maxillary protrusion were the highest (29.70%) in all kinds of malocclusions, followed by bimodal protrusion (26.39% ), Crowded dentition (19.76%). Conclusion Guangzhou juvenile deformity deformity complex and diverse, we should strengthen the publicity and education on the malformation deformity and correction work.