Scientific revolutions in dentistry.
D000766:Anesthesia, Dental / Q000266:history; D003731:Dental Caries / Q000517:prevention & control; D005459:Fluorides / Q000627:therapeutic use; D006665:History of Dentistry; D049672:History, 19th Century; D049673:History, 20th Century; D009609:Nitrous Oxide / Q000266:history; D010510:Periodontal Diseases / Q000209:etiology; D012586:Science
D009609:Nitrous Oxide; D005459:Fluorides