An approach to studying dental manpower.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003731:Dental Caries / Q000453:epidemiology; D003752:Dental Health Services; D003813:Dentistry / Q000639:trends*; D003815:Dentists / Q000600:supply & distribution*; D006285:Health Planning; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006801:Humans; D008875:Middle Aged