title: [Trends in dental services and primary care].
mesh_terms: D000328:Adult; D000368:Aged; D002675:Child, Preschool; D003149:Community Dentistry; D003752:Dental Health Services / Q000639:trends*; D005260:Female; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D008875:Middle Aged; D011313:Preventive Dentistry / Q000639:trends*