<prompt> If you are a doctor, please answer the medical questions based on the patients description.My 45 yr okd daughter has had zeiures all of her life. At this stage they are very infrequent but she does grind her teeth at night, even with a mouth guard. She is going to need several crowns put on her teeth, should we consider using the nitrous gas for this procedure?  <response>: Hello, Nitrous oxide is seen to cause a seizure in certain animal studies, but there is no controlled data for humans. However, in cases where it is used for conscious sedation, it is generally safe. I would, however, suggest you to first consult with her treating physician so that the levels of her anti-seizure Chat Doctor. Once consent is given, you can proceed accordingly. Hope I have answered your query. Let me know if I can assist you further. 