Effect of Autoclave Sterilization on the Number of Uses and Resistance to Cyclic Fatigue of WaveOne Gold and Four Replica-Like Endodontic Instruments

Figure 4

Scanning electron microscopy images of the tested instruments at 100×: WaveOne Gold 1st use (1), 2nd use (6), 3rd use (11), TF4 Gold 1st use (2), 2nd use (7), 3rd use (12), Roll Wave Gold 1st use (3), 2nd use (8), 3rd use (13), W file 1st use (4), 2nd use (9), 3rd use (14), and Micro Gold 1st use (5), 2nd use (10), 3rd use (15). Blue arrows indicate distortions.