Fig. 1

Pre - Op Radiograph ,  Maxillary 2nd Molar MISSED Mb1 & Mb2.

Fig. 2

effective instrument BULLY used in GP Removal & Mb2 Opening 

BULLY 25 7%

Fig. 3

POST - Op Radiograph ,   Ledge is bypassed Successfully as well you can notice how conservative the retreatment was. 

Clinical Video

CBCT Video

Conclusions

The Clinician must have a knowledge about files , kinematics & metallurgy and to choose the best set for every situation , RE-TREATY kit presents an excellent option for every day retreatment situations