Author(s)

Wei Yan, Jun Xie^*, Xinshu Li, Yalin Chen, Wenli Huang, Shuang Zhou

Disease Control and Prevention Center of Chongqing City, Chongqing, China.

Objective: The purpose of the paper is to provide the result from investigation on the current situation of coal-burning fluorosis prevalence in Chongqing City and make an assessment on the prevention and curing measures. Method: The Dean’s Method is applied to investigate on the fluorotic teeth of locally-born children aged between 8 to 12; investigate how modified cooking stoves are utilized by households and how food maize and hot pepper are being dried; and test the urinary fluorine content and pepper fluorine content. Result: The investigations show that, in the 661 villages with illness history from the 100 townships of 13 districts in Chongqing City, 11.28% (7464/ 66,162) of the children aged between 8 and 12 suffer from dental fluorosis; the stoves modified rate, qualified rate of modified stoves, and correct utilization rate of qualified modified stoves are respectively 100%, 98.82%, and 99.45%; and food maize and hot pepper’s drying rates are respectively 99.88% and 99.75%. Conclusion: The result shows that the coal-burning type fluorosis prevalence in the endemic area of Chongqing City has decreased dramatically, the preventive measure is effectively implemented, and a long-term preventive mechanism has preliminarily been established.

Coal-Burning Type Fluorosis, Current Prevalence Conditions

Yan, W. , Xie, J. , Li, X. , Chen, Y. , Huang, W. and Zhou, S. (2017) Investigation and Analysis on Current Situation of Coal-Burning Fluorosis Prevalence. Open Journal of Epidemiology, 7, 115-123. doi: 10.4236/ojepi.2017.72010.