WHAT HAPPENS DURING A ROOT CANAL?—PART IV
Complications of a Root Canal
Despite your dentist’s best efforts to clean and seal a tooth, new infections might emerge after a root canal. Some teeth that have had root canal therapy, need it again. Fortunately, retreatment of a root canal is often successful. Retreatment is usually performed by an endodontist, with the aid of an operating microscope.
Sometimes endodontic surgery must be performed in order to save a tooth. The most common endodontic surgical procedure is called an apicoectomy, or root-end resection. This procedure relieves the inflammation or infection in the bony area around the end of your tooth that continues after endodontic treatment. In this procedure, the gum tissue is opened, the infected tissue is removed, and the very end of the root is removed. A small filling is placed into the end of the root to seal the root canal.
The endodontist will also examine the interior of the root for fractures. Unfortunately, fractured roots are not repairable and extraction of the tooth would be necessary.
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