Analysis of the results in control of coal-burning-borne endemic fluorosis in Zunyi City, Guizhou Province in 2014 / 中华地方病学杂志

ABSTRACT

Objective To analyze the status and control effects on coal-burning-borne endemic fluorosis in Zunyi City,Guizhou Province,and to provide a scientific basis for sustainable prevention and control of endemic fluorosis.Methods All diseased villages of 5 counties of Zunyi City in 2014,survey results of the dental fluorosis of children aged 8-12,the use of improved stoves and stoves for all residents of the diseased villages,the proper drying conditions for corn and peppers,were analyzed.The diagnosis was based on "the Diagnosis of Dental Fluorosis" (WS/T 208-2011).Results Dental fluorosis of 115 840 children were examined,the prevalence rate of dental fluorosis was 5.85％ (6 773/115 840) in 5 diseased districts.A total of 444 196 households in Zunyi City were investigated,the qualified rate of improved stoves and the correct-usage rate of qualified stoves were 99.53％ (442 108/444 196) and 99.34％ (441 256/444 196),respectively;the proper drying conditions of corn and peppers was 99.26％ (440 903/444 196).Conclusions The control efficiency for coal-burning-borne fluorosis in Zunyi City is obvious.We will continue to strengthen the health intervention and post-management efforts to consolidate the results of elimination of fluorosis.