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目的了解延吉市朝鲜族儿童错颌畸形的患病率、错颌类型的构成比。方法随机抽取延吉市3所朝鲜族小学校5~6年级398名学生进行检查,以个别正常颌与Angle错颌畸形分类法为标准进行调查。结果延吉市朝鲜族儿童错颌畸形患病率为58.8%。结论延吉市3所朝鲜族儿童错颌畸形患病率与全国儿童错颌畸形的患病率相比偏低,大多数家长和学生对错颌畸形的危害性认识不足,延误了最佳治疗时期,应加强口腔正畸的知识宣传工作,提高儿童口腔健康水平。
Objective To investigate the prevalence of malocular deformity in Korean children in Yanji and the ratio of the components of the malalignment. Methods A total of 398 pupils from grade 5 to grade 6 in 3 primary schools in Yanji City were randomly selected for investigation. Individual normal and Angle malocclusion categories were used as criteria to investigate. Results The prevalence of malocclusion in Korean children in Yanji was 58.8%. Conclusions The prevalence of malalignment in 3 Korean children in Yanji City is relatively low compared with the prevalence of malunion deformity in most children in the country. Most parents and students are not aware of the dangers of malalignment and delayed the optimal treatment period , We should strengthen knowledge of oral orthodontic work to improve the oral health of children.