Endodontic retreatment is a root canal done another time on the same tooth. The reason for endodontic retreatment is failure of the initial root canal procedure where there is recurrence of symptoms or return of infection. Endodontic retreatment is technically demanding; typical 5-year success rates are around 60% compared to around 85% for initial root-canal treatment. The type of bacteria found within a failed root canal (Enterococcus faecalis et Pseudomonas sp.) may differ from the normal infected tooth.


  1. Wikipedia, the free encyclopedia (www.wikipedia.org).
  2. Medical dictionary by Farlex (www.thefreedictionary.com).

The information above should be used as a reference only. Any medical decision should not be taken before consulting a health care professional.

The masculine gender may have been more used in the article, but without prejudice, to make reading easier.

Category Treatments