title: Anxiety and relaxation tests for N2OO2 sedation.
mesh_terms: D000766:Anesthesia, Dental; D001007:Anxiety / Q000517:prevention & control*; D006801:Humans; D009609:Nitrous Oxide / Q000627:therapeutic use*; D011795:Surveys and Questionnaires
chemical_list: D009609:Nitrous Oxide