title: Field test of a sodium fluoride dentifrice containing acid orthophosphate and an insoluble metaphosphate abrasive--second year report.
mesh_terms: D002648:Child; D002986:Clinical Trials as Topic; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology / Q000517:prevention & control*; D003743:Dental Enamel / Q000187:drug effects; D003802:Dentifrices / Q000494:pharmacology*; D005460:Fluorides, Topical / Q000494:pharmacology*; D006801:Humans; D010710:Phosphates / Q000494:pharmacology*; D012964:Sodium / Q000494:pharmacology; D014001:Tin / Q000494:pharmacology; D014099:Toothbrushing
chemical_list: D003802:Dentifrices; D005460:Fluorides, Topical; D010710:Phosphates; D014001:Tin; D012964:Sodium