Have you ever avoided seeing your dentist because you were nervous? If so, you’re not alone. It’s estimated that at least 1 in 5 Americans has put off getting needed dental care because they’re scared of the dentist. Whether it’s due to cost, time, or just not liking someone poking around in your mouth, dental anxiety is more common than you might think. For this reason, sedation options like nitrous oxide have been developed. But are they safe? Read this guide on what exactly nitrous oxide is and whether it has any side effects.