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What to do: See your dentist or endodontist to save the tooth with root canal treatment. Symptom: Constant and severe pain and pressure, swelling of gum and sensitivity to touch. Possible problem: A tooth may have become abscessed, causing an infection in the surrounding tissue and bone.
Generally, an abscessed tooth will not have any response to cold tests (due to the tooth being dead) or electric stimulus. Your dentist will also take X-rays to look for erosion of the bone around the abscess. What are the symptoms of an abscessed tooth? A toothache that is severe and continuous will result in a gnawing, dull ache, or a throbbing pain. However sharp or shooting pain can also be common symptoms of an abscessed tooth. Other symptoms may include: A swollen lump of the upper or lower jaw; Pain when chewing; Sensitivity of the teeth to hot or cold