Very nice of you to answer all this questions. I've had a root canal done 10 years ago on number 19. Once in a while the tooth aches and I went to the oral surgeon and he said that it may be broken under the crown. I have a very small infection on the root tip. I haven't had it pulled but I'm wondering how long and what damage is causing to have the low level infction going on, it's not going away.
I don't want to loose a tooth,
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