Q:

Why does my tooth still hurt after a root canal?

A:

Quick Answer

While some pain and tenderness is common after a root canal, severe pain and pressure that lasts more than a few days can indicate a problem that needs to be addressed by a dentist, according to WebMD. Possible causes for severe pain include a crack in the root of the tooth, defective dental restoration that has allowed bacteria to enter or improper fitting of the new crown.

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Why does my tooth still hurt after a root canal?
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Full Answer

Mild pain and pressure occurs after any root canal as the body completes the healing process, according to the American Association of Endodontists. These symptoms are temporary and typically can be managed using over-the-counter pain medications such as naproxen or ibuprofen. The new tooth will feel different in the mouth for several days, but there should not be severe pain that prevents normal activity. Most activities can be resumed the day following a root canal.

If the permanent crown is not placed in the mouth yet, the patient should avoid chewing on the tooth that had a root canal to prevent breakage before the permanent tooth is placed, according to WebMD. Root canal treatment is very successful in repairing damaged teeth and, once complete, can last a lifetime. It is important to return to normal brushing and flossing of the teeth after a root canal to ensure tooth health.

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