饮水加氟是目前预防龋齿的主要措施。因这种办法成本低,效率高,效果好。饮水加氟防龋已有40余年的历史,全世界已有30多个国家和地区的一亿多人口饮用加氟饮水,龋齿发病率下降,取得了良好效果。上海地区的居民饮用加氟水后,龋齿发病率已降低了477%,广州地区则下降了50%。饮... Drinking water fluoride is the main measure to prevent dental caries. Because of this approach low cost, high efficiency, good effect. More than 40 years of drinking water and anti-caries have been found in the world. More than 100 million people in more than 30 countries and regions all over the world have been drinking fluoride water for drinking. The incidence of decayed caries has dropped and good results have been achieved. Shanghai residents drinking fluoride water, the incidence of dental caries has been reduced 477%, while the Guangzhou area decreased by 50%. drink...