Laughing gas has been portrayed hilariously but not accurately in a great many cartoons and comedy shows. The truth is that nitrous oxide, also called laughing gas, is a tried-and-proven form of sedation that rarely has any side effects. Dentists have used it for more than two centuries to help patients sit more comfortably through dental procedures like fillings. Here are a few facts about laughing gas so you can have a better idea of what to expect the next time you need it.
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