title: A retrospective longitudinal study of caries prevalence during and 7 years after free dental care at school in Finland.
mesh_terms: D000328:Adult; D004245:DMF Index; D003729:Dental Care; D003731:Dental Caries / Q000453:epidemiology*; D005387:Finland; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D009910:Oral Hygiene; D012189:Retrospective Studies; D012571:School Dentistry; D012959:Socioeconomic Factors; D013222:State Medicine; D013997:Time Factors