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

Figure 4

3 mm cross sections from tip of unused files. (a) One Shape; (b) ProTaper NEXT; (c) V taper 2H; (d) NRT. The inner white circle represents the central inner core for each instrument.

(a)

(b)

(c)

(d)