An historic parallel: 19th century education, 20th century dental care.
D002648:Child; D002662:Child Health Services; D003729:Dental Care / Q000266:history*; D004493:Education / Q000191:economics / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008489:Medical Indigency