title: [Analysis of the 18th year of the fluoridation of the water supply to prevent dental caries in Fangcun in Guangzhou].
mesh_terms: D002648:Child; D002681:China; D003731:Dental Caries / Q000453:epidemiology / Q000517:prevention & control*; D005457:Fluoridation / Q000592:standards*; D006801:Humans