As a mild sedation, nitrous oxide is used by our dentists if you feel anxious about your dental treatments. Also known as laughing gas, nitrous oxide is inhaled through the nose and creates a relaxed sensation. Learn more about nitrous oxide in Prescott, Arizona, by calling Prescott Periodontics & Implant Dentistry at 928-778-2340 and scheduling a visit with Dr. Richard Jirsa, Dr. Todd Walker and Dr. Guha.