Nitrous Oxide (Laughing Gas)
Nitrous Oxide is a sweet-smelling, non-irritating, colorless gas which you can breathe, and it has been the primary means of sedation in dentistry for years. Nitrous oxide is safe, the patient receives 50-70% oxygen with no less than 30% nitrous oxide.
The patient is able to breathe on their own and remains in control of all bodily functions.
The patient may experience mild amnesia and may fall asleep, not remembering all of what happened during their appointment.