Popularly known as laughing gas, nitrous oxide is a gas that is non-flammable and colorless. One of the most common uses is in the field of dentistry, where the gas is administered to the patient as part of the preparation process for a dental procedure. However, nitrous oxide can also be used in several other applications that are not connected with dentistry.
The gas may not reduce pain, however, and so a local anesthetic may have to be administered before the procedure takes place. Often, the gasís effect will dissipate quickly and will not prevent a person from leaving the dental office under his own power.


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