title: Fluorides in community programs: results after four years of study of various agents topically applied by two technics.
mesh_terms: D000143:Acids; D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D005460:Fluorides, Topical / Q000627:therapeutic use*; D005500:Follow-Up Studies; D006801:Humans; D010710:Phosphates; D012964:Sodium; D014001:Tin
chemical_list: D000143:Acids; D005460:Fluorides, Topical; D010710:Phosphates; D014001:Tin; D012964:Sodium