Effectiveness of Different Rotary Files Systems in Removal of Gutta-percha during Endodontic Retreatment with or without Solvents: A Comparative Study.

Aim: The purpose of the present study was to compare the efficacy of three different file systems in removing gutta-percha during endodontic retreatment with or without solvents.

Materials And Methods: The current study used 120 freshly extracted, single-rooted human mandibular premolars extracted for orthodontic procedures. The canal was prepared utilizing the step-back technique and obturation was done.