Fig. 1

Pre - Op Radiograph , showing  Lower premolar with short filling & apical blockage.

Fig. 2

With the use of the SHAPY1 alloy and its specific design we were able to negotiate the apical part of the canal and the obturation is showing the APICAL LATERAL ANATOMY , 

Full process in the Video

Video of the procedure

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 rettt situations.