Small hole in filling portion of root canal next to the post. Is this normal?

Question

Yesterday I had a temporary crown which covered my root canal, it came off while I was eating and exposed my tooth and gum area which my dentist had shaved down. There was a small hole in the filling portion of my root canal (in the center of my tooth next to the post) but I had no pain. When I went back to my dentist he put on the permanent crown without filling the hole in the tooth under the crown. Is this normal? My tooth has been sore is it from the hole or the crown placement.

Desiree Yazdan, DDS · Answer

The hole is usually filled with build up material.  Some dentists fill the hole with the permanent cement that was used to cement the crown.  The pain is most likely not coming from the hole.  The pain is probably occurring because of your bite.  You need to go back to your dentist and let him/her know you are having some sensitivity, and have him/her check your occlusion (your bite) and make sure you are not hitting too hard on that tooth.

Kourosh Maddahi, DDS · Answer

Hi:Normally the hole in the tooth will be filled with the permenant cement  that is being used to cement your crown.  You might need another bite adjustment.  Please go back to your dentist and let him/her know about the pain.Best,Dr. Maddahi

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