Published September 2026
- For some visits, a small mask can help you feel relaxed while you stay fully awake
- A soft mask fits over your nose, and you breathe a gentle mix of laughing gas and oxygen
- You stay relaxed and awake the whole time, and can still answer questions
- It's turned off at the end of the visit and wears off within minutes
- Because it clears so fast, you can drive yourself home afterward
Who usually does it
general dentist. Available in most general and pediatric offices.
One question worth asking
Can I have this at the same visit as the treatment, or does it need booking separately?
Laughing gas (nitrous oxide)
A mild gas breathed through a small mask that helps you relax while staying awake. It wears off within minutes and you can drive home.
A small mask sits over the nose and a mix of nitrous oxide and oxygen is breathed in, which takes the edge off while you stay awake and able to answer. It is turned off at the end of the visit and clears within minutes, so nobody has to drive you home. It is charged per visit and most plans do not pay for it, so ask the office for the fee.
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