氟化水源 ,即根据预先确定的水平 ,有控制地在公共饮水中加入氟化物 ,以增加水氟浓度 ,从而达到预防龋病的目的。自从 5 0年代始 ,美国牙科协会 (ＡＤＡ)和美国公众健康服务机构共同实施推行社区氟化水源的计划。据 1997年ＡＤＡ报道 ,5 0年后的今天 ,氟化水源仍然是最理想的安 Fluorinated water sources, that is, according to a predetermined level, the control of fluoride in public drinking water to increase fluoride concentration in water to achieve the purpose of preventing dental caries. Since the 1950s, the American Dental Association (ADA) has partnered with the U.S. Public Health Service to implement a program to promote fluoride sources in the community. According to the 1997 ADA report, fossil water sources are still the best safety after 50 years