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.

Your lips are among the most touch-sensitive parts of your body. But suddenly, they’ve gone numb and rubbery — a bit like when your foot or arm falls to sleep. What gives? Numbness in your lips means ...