[Children's dental diseases in Japan--dental occlusion of children].
D002648:Child; D002675:Child, Preschool; D003731:Dental Caries / Q000453:epidemiology*; D003766:Dental Occlusion; D005260:Female; D005891:Gingivitis / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male