Infection in Root Canaled Tooth?

A root canal infection brings severe pain in its wake. The pain intensifies when you bite down or place pressure on the affected tooth. Additionally, you may experience tooth sensitivity when you eat hot or cold food and drinks. The pain can also originate from inflammation of the gums.

Can a tooth that had a root canal get infected?

A root canal removes the pulp of a tooth that's been infected or damaged by tooth decay or other injuries. Root canals can save teeth and are considered very safe. Root canal infections aren't common, but there's a small chance of a tooth becoming infected even after a root canal is performed.

Can a root canal tooth get infected years later?

With proper care, even teeth that have had root canal treatment can last a lifetime. But sometimes, a tooth that has been treated doesn't heal properly and can become painful or diseased months or even years after treatment.