The effect of six-monthly visits to the dentist on dental treatment needs.
D000293:Adolescent; D000328:Adult; D003729:Dental Care; D005260:Female; D006301:Health Services Needs and Demand; D006302:Health Services Research; D006801:Humans; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D013997:Time Factors; D014076:Tooth Diseases / Q000628:therapy*