title: Caries experience and state of oral cleanliness in 4-year-old Ibadan children attending private schools.
mesh_terms: D002675:Child, Preschool; D003731:Dental Caries / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D009549:Nigeria; D009909:Oral Health; D012737:Sex Factors