tooth is hurting eve after four years since root canal was done
Q. I had a crown put in—but the tooth still hurt—so I had a root canal done through the crown—now 4 yrs later the tooth is hurting again—how can a tooth hurt that is dead of all feeling ?
A. Teeth are still attached to you although they may have no nerve. If a swelling occurs under the tooth in the attached area pressure from biting can cause you pain.
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