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Pain to biting down 2 years after root canal

User Level:
Patient
Posted by: mercorsam  (8 years ago)
Hello there!

I am glad I found this great site:-)

Here's my story:

Two years ago, a part of one of my back molars chipped off. It didn’t hurt at all but I still wanted to fix it so I went to the dentist to have it checked out. After taking x-ray, the dentist said he would put a filling on the tooth. While the dentist is working on my tooth, he said I needed a root canal because he found that the crack is all the way to the root. He went on with the root canal procedure. After a few minutes, the dentist told me again that my roots are too curved and he has to sent me to a root canal specialist to finish it. I was sent home with a temporary filling. The endodontist that I was referred to will only be able to see me in a week.

I went in for my appointment and finally had the procedure done. Eight months after the root canal my tooth started to have sharp pain to biting down. I went back to the dentist. After taking x-rays and doing a hot and cold sensitivity test, she said the tooth looked fine.

It’s been two years since the root canal and the tooth still hurts when I bite down. Does anyone have any ideas what is causing the pain? I have been to another dentist but he also could not see anything wrong. Is this a permanent pain? I would be very thankful for any information you could give me.
User Level:
Student
Posted by: Novocaine  (8 years ago)
It’s been two years since the root canal and the tooth still hurts when I bite down. Does anyone have any ideas what is causing the pain? I have been to another dentist but he also could not see anything wrong. Is this a permanent pain? I would be very thankful for any information you could give me.

Short of an x-ray or a percussion test, I'm going to say this is a Cracked Tooth Syndrome. The fact that your tooth already had a history of chipping, and being that this condition is usually a common root canal complication, makes this diagnosis all the more plausible.

Try the Q-tip test: Insert a Q-tip between your painful tooth and clench it with your healthy opposing teeth. Try this on different parts of your affected tooth until you get a response that you can narrow it down to. If you can, then this is symptomatic of a cracked tooth syndrome. It is usually caused when the tooth/restoration/crown fractures under the extreme bite forces of your teeth.

A cracked tooth root is similarly possible too, so have it checked. Anyway, treatment depends on the size and extent of this crack, but in your case, it will most likely have to be extracted and replaced with a bridge or an implant. Good luck!!

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