Nitrous oxide, or laughing gas, is a simple sedation method to help you feel comfortable. Simply inhale this gas and within a few minutes you will begin feeling comfortable. The effects of nitrous oxide wear off as soon as you stop inhaling it, so you can drive yourself home safely. We welcome you to call Campbell Dental Care at 408-364-1122 to make your appointment with our caring dentist, Dr. Catalina Phan, and learn more about nitrous oxide in Campbell, California.