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目的：了解新疆奎屯垦区中小学生口角炎、游走性舌炎、沟纹舌的患病情况。方法：将４ １２０ 名６～２１岁的中小学生分为５ 个年龄段进行口腔检查，记录其口角炎、游走性舌炎、沟纹舌３ 种口腔粘膜病患病情况，并在不同年龄段和男女性别间进行比较。结果：受检者口角炎、沟纹舌、游走性舌炎患病率分别为２．３％ 、４．９％ 和１．２％ ，口角炎以９ 岁以下儿童患病率最高，随年龄增长，患病率有降低趋势；沟纹舌１５ 岁以上年龄组患病率较１５岁以下年龄组高；游走性舌炎各年龄组患病率无显著性差异。３ 种口腔粘膜病患病率男性均高于女性（Ｐ均＜ ０．００５）。结论：新疆奎屯垦区中小学生慢性非感染性口腔粘膜病患病率较低。
OBJECTIVE: To understand the prevalence of angular cheilitis, migratory glossitis and ditch tongue among primary and secondary students in Kuitun reclamation area in Xinjiang. Methods: 4 120 primary and secondary school students aged 6-21 years were divided into five age groups for oral examination. The prevalences of three kinds of oral mucosal diseases including angular cheilitis, migratory glossitis and ditch tongue were recorded. At different ages Segment and gender comparison. Results: The prevalence of angular chelonia, grooved tongue and migratory glossitis were 2.3%, 4.9% and 1.2% respectively. The incidence of angular cheilitis was highest among children under 9 years of age with The prevalence rate of groove tongue was higher than that of the age group of 15 years old or older. The prevalence of migratory glossitis was not significantly different in all age groups. The prevalence rates of three kinds of oral mucosal diseases were higher in males than in females (all P <0.005). Conclusion: The prevalence of chronic non-infectious oral mucosal disease in primary and secondary school students in Kuitun reclamation area in Xinjiang is low.