If you’re like the 12 percent of Americans who have dentophobia (extreme fear of the dentist), or one of the 36 percent that have some degree of dental anxiety, you may be curious about nitrous oxide. Also known as laughing gas, this colorless, sweet-smelling sedative is used by dentists to help patients with anxiety feel more relaxed during their visit. But before you decide that sedation dentistry is the way to go, here are a few important things you should know about nitrous oxide.
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