Inhalation sedation.
D000766:Anesthesia, Dental / Q000295:instrumentation / Q000379:methods*; D000769:Anesthesia, Inhalation / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage; D011229:Preanesthetic Medication
D009609:Nitrous Oxide