Torsional and Bending Properties of V Taper 2H, ProTaper NEXT, NRT, and One Shape

Figure 1

Test devices used in the present study. (a) Setup for torsional fatigue resistance test. (b) A NiTi rotary file was secured in a composite resin in which a torsional resistance test was performed. (c) Setup for cantilever bending test using a universal testing machine.

(a)

(b)

(c)