title: Extrinsic tooth stains in children.
mesh_terms: D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology*; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D009909:Oral Health; D014075:Tooth Discoloration / Q000453:epidemiology*