Using a hairdryer after a tooth extraction could be dangerous. The heat from the hairdryer could potentially:
* Increase swelling and bleeding.
* Dry out the extraction site, potentially delaying healing.
* Cause pain and discomfort.
Always err on the side of caution and follow your dentist's recommendations. They will provide the best advice for your specific situation.
If you have any questions or concerns, please contact your dentist directly.