Post-treatment endodontic disease may occur due to the persistence of bacteria in the root canal system as a consequence of insufficient cleaning, untreated canals, inadequate filling, or coronal/apical leakage.
Non-surgical root canal retreatment is the first choice to re-establish healthy periapical tissues.

EXACT RETREATMENT™ Files are available in 3 lengths, 3 progressive tapers and 3 apical diameters  and are designed to remove root canal obturating material such as gutta-percha, carrier-based obturators, and fillers from coronal, middle and apical thirds of root canal prior to canal reshaping.