Procedure: After Buccal infiltration anaesthesia and rubber dam isolation, both UR4 and UR5 been accessed and prepared with Rising file system by Fanta up to #30/04. UR4 had two canals, while UR5 had one canal then split into two canals. 

Disinfection with NaOCl 3%, EDTA 17%, with ultra sonic activation (PUI).

Hydraulic obturation with premixed BC cement.

Composite cores for both teeth, and patient been scheduled for definite cuspal coverage.

Conclusions

Rising file system by Fanta is an outstanding file system, due to many advantages like minimal invasive shaping, extreme cutting efficiency, maximum debris removal, and different NiTi alloy in each file. These properties have enabled Rising system to be the file of choice for majority of cases.