A member asked:

Years ago i had a root canal and dentist not sure if got all root out and temp cap now swollen also feel like i have a sinus infection could it be a?

A doctor has provided 1 answer

Needs evaluation: It is possible that an incomplete root canal could develop an abscess years later. Sinus infections can contribute to tooth pain. Teeth that have had root canal treatment and don’t have a permanent crown on top for many years could have a crack. You should see a dentist for evaluation; infections in the head and face areas can be serious.

Answered 3/22/2020

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