Comfort, Relaxation: N2o can be a wonderful addition to local anesthesia for dental procedures. And, it may ameliorate the mild discomfort that accompanies the injection of local anesthesia into the mouth of a small child.
Answered 7/16/2022
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Relaxation, vomiting: The main negative effect of nitrous oxide is that it may cause vomiting.
Answered 12/2/2012
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