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作者在广州市自来水氟化后20年期间,对广州市中小学学生进行了水源含氟量与牙症、龋齿关系的调查,结果发现患龋率下降较低,同时也发现氟牙症流行与早期氟骨症的X线体征。提示广州市自来水氟化得失相比,弊多利少。本文着重对广州市自来水氟化后在中小学学生中的患龋率与氟牙症率进行流行病学的调查与临床学的研究;为本市自来水停止氟化提供科学依据;并提出停止氟化后的防龋措施。
During the 20 years after the fluoridation of tap water in Guangzhou, the author conducted a survey on the fluoride content of dental fluorosis and dental caries in elementary and junior high school students in Guangzhou City. The results showed that the prevalence of dental caries declines lower and the prevalence of dental fluorosis X-ray signs of early skeletal fluorosis. Prompt fluoride water in Guangzhou compared gains and losses, more harm than good. This article focuses on fluoridation of tap water in primary and secondary schools in China after the prevalence of dental caries and dental fluorosis rate of epidemiological investigation and clinical studies; for the city to stop the fluoridation of tap water to provide a scientific basis; and proposed to stop fluoride After the anti-caries measures.