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目的拟查明藏族、蒙古族成人饮茶型氟中毒的病情严重程度，流行特征。方法在南、北方各选一个典型病区，按分层整群抽样的方法进行现况调查。调查对象为１６岁以上成人。采用临床和Ｘ线检查的方法诊断氟骨症。结果阿坝藏族氟骨症病情严重，临床标化患病率为８７．３５％，Ｘ线标化患病率为６７．９０％。陈旗蒙古族病情相对轻，临床标化患病率为３５．２２％，Ｘ线标化患病率为４１．１１％。两地区病情比较有显著性差异（Ｐ＜０．０１）。结论藏族成人饮茶型氟骨症病情比蒙古族成人严重。二者患病率均处于较高水平。
Objective To find out the severity and prevalence of drinking-type fluorosis in Tibetan and Mongolian adults. Methods Select a typical ward in the south and north to investigate the status quo by stratified cluster sampling. The respondents were adults over the age of 16. Diagnosis of skeletal fluorosis by clinical and X-ray examination. Results The incidence of skeletal fluorosis was very serious in Aba Tibetan Autonomous Region, the prevalence of clinical standardization was 87.35%, and the prevalence of X-ray standardization was 67.90%. Mongolian Chenqi disease is relatively mild, the prevalence of clinical standardization was 35.22%, X-ray standardized prevalence was 41.11%. There were significant differences between the two regions (P <0.01). Conclusion The Tibetan adult tea fluorosis is more serious than the Mongolian adult. Both prevalence rates are at a high level.