Why are patients referred to a hospital dental department?
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003796:Dental Service, Hospital / Q000191:economics / Q000706:statistics & numerical data*; D005792:General Practice, Dental; D006801:Humans; D007223:Infant; D012017:Referral and Consultation; D012606:Scotland; D013218:State Dentistry