title: Caries reduction and cost benefit after 3 years of sucking fluoride tablets daily at school. A double-blind trial.
mesh_terms: D002675:Child, Preschool; D003362:Cost-Benefit Analysis; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D004311:Double-Blind Method; D005459:Fluorides / Q000008:administration & dosage*; D006801:Humans; D010919:Placebos; D013607:Tablets
chemical_list: D010919:Placebos; D013607:Tablets; D005459:Fluorides