Endodontic management of a fused left maxillary second molar and two paramolars using cone beam computed tomography: A case report

Figure 2 Representative intraoral photos of the fused tooth during root canal therapy. A: A rubber dam was positioned; B: A ball drill (ET BD) and ET 20 of the ultrasonic equipment (P5 Newtron) were used to remove the damaged tissue under a microscope; C: An electronic apex locator was utilized to determine the working lengths with 6#K-file; D-E: Filing was performed until size 20# was reached; F: Waveone Gold Ni-Ti rotary instruments were used to clean and shape the canals.