I get this sharp pain in my tongh and it shoots to my jaw. what could this been? i have no tooth ache, but i d got a knot on my left jaw in the skin.

See a dentist: This can be due to a tooth abcess or cavity although you do not feel any tooth pain. Other causes of this pain can be a salivary gland issue, mouth sore/lesion, TMJ issues or a growth in the jaw bone. I assume you did not sustain any trauma to the jaw. See a dentist or an oral surgeon. Good luck.

See a dentist/doctor: Teeth don't always hurt when there is an infected tooth. If you have swelling in your face, it could be from a tooth, or something else such as an ingrown hair or a pimple. There are many possible causes. Call your dentist or doctor so they can have a look and help you find the exact cause.