How long will the numbness after wisdom tooth removal surgery last?

1 to 12 hours. It depends on the type of local anesthesia the oral surgeon used.
Transient Numbness. It could last for a few hours, day, or even months. If concerned, call your oral surgeon for instructions.

Related Questions

Tongue numbness after wisdom tooth removal. Is this common?

During the procedure. During the duration of the procedure and the anesthetic, your tongue will be numb. After the anesthetic wears off (a few hours), the feeling in your tongue should be back to normal. If not, then you need to be evaluated and treated by your surgeon. Read more...
Tongue numbness. Not very common. Usually temporary, however, sometimes it can linger for several months. Very rare for the numbness to be permanent. Read more...

Lip still numb after wisdom tooth removal? Should I be worried?

It happens. After the extraction of a lower wisdom tooth, there can be some lingering numbness. This usually means the roots of the extracted tooth were very close to the inferior alveolar nerve which runs the length of the lower jawbone. Often the feeling will come back. Sometimes it doesn't and that is one of the unfortunate rare side effects of wisdom tooth extractions. See your dentist or oral surgeon. Read more...