Numbness of the mouth after dental procedures is a common side effect of local anesthesia. This temporary paralysis of the nerves in the mouth can make it difficult to speak, eat, or drink. While the numbness will eventually wear off on its own, there are a few things you can do to speed up the process.
One of the most effective ways to reduce numbness after dental work is to rinse your mouth with warm salt water. The salt helps to draw out the anesthetic and speed up the healing process. You can also try sucking on ice chips or eating cold foods, which can help to numb the area and reduce swelling.