title: Dental trauma during Entonox inhalation via mouthpiece.
authors.forename: R
authors.initials: R
authors.lastname: Volney
authors.forename: C
authors.initials: C
authors.lastname: Callander
mesh_terms: D000059:Accidents; D000328:Adult; D016362:Analgesia, Obstetrical / Q000295:instrumentation*; D003442:Crowns; D004338:Drug Combinations; D005260:Female; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage*; D010100:Oxygen / Q000008:administration & dosage*; D011247:Pregnancy
chemical_list: D004338:Drug Combinations; C001147:Entonox; D009609:Nitrous Oxide; D010100:Oxygen