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Fractured tooth root

User Level:
Posted by: jeanhangingout  (9 years ago)
Dear Doctor!

About a year ago, I had a root canal done on my first premolar on the upper right side. The dentist said he could not put a post crown because the tooth root had a crack. He then went ahead and filled the tooth. After three months, the filling came off. I went to the dentist and had the tooth built up with bonding. Recently, I felt the something rough on the surface of the bonded tooth. The dentist said, the bonding came off again and the tooth is no longer savable. It has to be extracted and I will have to get an implant put in. Has anyone else had similar experience? Why can’t they fill the tooth again? Please help me! I do not want to lose a front tooth and implants are so expensive. Thanks a lot!
User Level:
Posted by: mdhola  (8 years ago)
If your dentist has diagnosed cracked in tooth root, then it might need extraction of that tooth. crack in root can be horizontal, oblique or vertical.
main problem in restoring cracked tooth is, it flexes at crack whenever it is in function. So, in order to prevent that flex and sipping of bacteria inside tooth, dentist make a crown on it. However, in case of crack in root, it is different situation as dentist cannot make crown there! And because of that flex at crack continues, which keep dislodging any fillings placed.

In fact, some of clinical research shows that only crown (or band) can hold crack in place effectively whereas fillings are not efficient to hold cracked tooth crown.

However, this decisions depends on type of crack, it's extent, symptoms associated with it, restorability of teeth etc.

Whenever in doubt, it is better to take second opinion though!
Hope this will help you!