Q1: What is nitrous oxide? Nitrous oxide, commonly known as "laughing gas," is a colorless, odorless gas used in dentistry to help patients feel relaxed during procedures. It is a mild sedative with analgesic effects. Q2: How does nitrous oxide work? When inhaled, nitrous oxide interacts with the central nervous system to reduce anxiety and pain perception. It induces a feeling o... https://www.shifadental.net/the-dentists-gas-an-overview-of-nitrous-oxide/