公共饮水中氟含量控制到最合适的浓度已证明是减少龋齿最有效的公共卫生方法,国内外已有报道。目前,42个国家已经有自来水加氟防龋,1975年到1978年在11个国家里增加了600万饮用加氟水的人口。莞城镇从1974年10月开始实行在自来水中投加氟化物,本文报道加氟7年的防龋效果。 Control of fluoride concentrations in public drinking water to the most appropriate concentration has been shown to be the most effective public health approach to reducing dental caries, both at home and abroad. At present, water and fluoride prevention and dental caries are already available in 42 countries. Between 1975 and 1978, an additional 6 million people were drinking fluoridated water in 11 countries. Wan town started in October 1974 to put fluoride in tap water, this article reports fluoridation seven years of anti-caries effect.