I have tenderness where I had a root canal done three years ago. What could it be?

Q. I have some tenderness and a pimple high up on my upper gum where I had a root canal and post/crown about 3 years ago.. What is it and why is it happening? Could it be a result of procedure that was done?,
A. You probably have a new infection – RCT is not 100% successful. You should make an appointment with your dentist to have it checked out
Dr Julian Caplan – Director on the board of the BACD View My Profile Dr Caplan

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