Assertion: nitrous oxide | /r/HasProperty | dental anesthetic
Facets:
value: by using the gas
type: MANNER
Source sentences:
text: Nitrous oxide is a dental anesthetic which is used as a recreational drug, either by users who have access to medical-grade gas canisters (e.g., dental hygienists or dentists) or by using the gas contained in whipped cream aerosol containers.