Electrochemical Impedance Spectroscopy Investigation on the Clinical Lifetime of ProTaper Rotary File System

Figure 9

Clinical radiographs: (a) set 4, (b) set 3, (c) set 11, (d) set 10, (e) set 11, (f) set 6, and (g) set 1.

(a)

(b)

(c)

(d)

(e)

(f)

(g)