Retreatment Potaper system, False is: (A) Has a non cutting tip, (B) D1 with 0.30 mm diameter and 9% taper is used for coronal third, (C) D2 with 0.25 diameter and 8% taper is used upto middle third, (D) D3 with 0.20 diameter and 7% taper is used for apical third
Answer is A. It has a cutting tip unlike routine protaper system.