A numb chin is generally a sign of a disorder within the nerves of the face. It may point to numb chin syndrome, which causes a numb chin, lips, teeth, or gums. The causes of numb chin vary widely.

Numbness in your mouth is usually nothing serious and may not require treatment. In severe cases, it may be a sign of an allergic reaction, stroke, or cancer. If numbness persists, you should seek ...