Introduction. The success of endodontic treatment depends on the adequate biomechanical preparation and obturation of the entire root canal system. The untreated or poorly debrided/obturated root canals are among the most frequent causes of endodontic treatment failure. The endodontic treatment of maxillary molar has the highest failure rates due t...

By Dajana Nogo Živanović, Dragan Ivanović, Tanja Ivanović, Ivana Simić