title: Dental anesthesiology: its history and continuing evolution. Niels Bjorn Jorgensen 2nd memorial lecture.
mesh_terms: D000766:Anesthesia, Dental / Q000266:history*; D000771:Anesthesia, Intravenous / Q000266:history; D001007:Anxiety / Q000628:therapy; D004497:Education, Dental / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007879:Legislation, Dental / Q000639:trends; D009609:Nitrous Oxide / Q000266:history; D012106:Research / Q000266:history; D012953:Societies, Dental / Q000266:history
chemical_list: D009609:Nitrous Oxide