Analysis on Characteristics and Influencing Factors of Skeletal Fluorosis in Adults in Qinghai Haixi

Objectives To understand the prevalence of tea type fluorosis and its influencing factors in Qinghai province.

Methods Epidemiology was adopted to survey the regional distribution and present situation of tea type fluorosis, and the relationship between tea drinking habit of residents and the content of fluoride in drinking water and urine.

Results The prevalence of fluorosis was 18.5% in Tianjun county where 97.8% of people were in the habit of drinking tea and the distribution of fluorosis was higher in Tibetan and Mongolian herdsmen than other professions.The content of water fluoride was in the national standard limits, while the content of fluoride in tea and urine samples was higher.

Conclusions The fluorine poisoning in Qinghai was a drinking tea type fluorosis, the prevalence of fluorosis was higher in areas with a high content of fluoride in tea. Measures should be taken to control the fluoride intake from tea.