A root canal is performed to relieve the pain of an infected tooth as well as “save” that tooth from having to be extracted (pulled). Most endodontic treatments are a success; although there are rare occasions that a root canal fails. So, how can you tell if yours has failed? Some pain or tenderness is expected after a root canal, but this should start to recede in a couple of days. Increasing pain or pain that continues without dissipating could indicate a problem. In some cases though there are no symptoms for months to years after the original procedure. It is even possible to have no symptoms at all, yet have chronic re-infection detected only through an x-ray.
Causes of a failed endodontic treatment can vary...Read More