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Nitrous Oxide Sedation (Laughing Gas) in London

Nitrous oxide or laughing gas is usually given before dental procedures such as root canal therapy or crown placement to help patients relax.

Nitrous Oxide Sedation - Laughing Gas in London - How it Works 

The gas is administered by placing the apparatus over your nose to inhale it. The effects are mild, and you will be conscious (awake) during the procedure. The effects wear off as soon as the apparatus is removed and you stop inhaling the gas, usually within a minute.

Nitrous oxide can be used alone, or in combination with oral sedation if stronger sedation is desired while keeping the patient awake.

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