Nitrous oxide is the safest sedative existing today. Oftentimes, the mere sound of a dental office is enough to bring back old childhood fears. With the laughing gas, all of those irrational fears tend to disappear. Even if the appointment is very easy, sometimes even the part about keeping ones' mouth open for extended periods can be quite difficult. With the nitrous oxide, all of those annoying distractions are just a thing of the past!