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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.
A toothache that is severe and continuous and results in gnawing or throbbing pain or sharp or shooting pain are common symptoms of an abscessed tooth. Other symptoms may include: 1  Fever. 2  Pain when chewing. 3  Sensitivity of the teeth to hot or cold. 4  Bitter taste in the mouth.5  Foul smell to the breath. 6  Swollen neck glands.7  General discomfort, uneasiness, or ill feeling. 8  Redness and swelling of the gums. 9  Swollen area of the upper or lower jaw. 10  An open, draining sore on the side of the gum.ther symptoms may include: 1  Fever. 2  Pain when chewing. 3  Sensitivity of the teeth to hot or cold. 4  Bitter taste in the mouth. 5  Foul smell to the breath. 6  Swollen neck glands. 7  General discomfort, uneasiness, or ill feeling.