Nitrous Oxide Relaxation Gas:
Nitrous oxide (also called "laughing gas") is a safe and effective way to reduce anxiety during a dental procedure. It does not numb the teeth, however, and anesthetic will still be used. It does produce a pleasant, calming effect which people describe as "happy," "unconcerned" and "disconnected" from what is happening.
Nitrous oxide is inhaled through a small mask that covers the nose. It takes just a few minutes to take effect, and the effects wear off soon after the mask is removed. You can safely drive after an appointment where the gas was used.