The problem of prevention in a state dental service.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005250:Fees, Dental; D006801:Humans; D009059:Mouth Diseases / Q000453:epidemiology; D011313:Preventive Dentistry; D013222:State Medicine; D014076:Tooth Diseases / Q000453:epidemiology; D006113:United Kingdom