Need for treatment. Implications of disease trends.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002170:Canada; D002648:Child; D003479:Curriculum; D003731:Dental Caries / Q000628:therapy*; D004497:Education, Dental / Q000639:trends; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006801:Humans; D008875:Middle Aged; D010510:Periodontal Diseases / Q000628:therapy*