Cyclic Fatigue Resistance of Nickel–Titanium Rotary Instruments after Simulated Clinical Use

Table 4

Normality, homogeneity and Kruskal–Wallis test for 2Shape/TS2 group.

Groups	Instrument type	Shapiro–Wilk	Homogeneity test	Kruskal–Wallis
			( value)	( value)
2Shape/TS2	New	0.766 (0.006)	0.879 (0.461)	6.526 (0.089)
	One use	0.854 (0.065)
	Two use	0.753 (0.004)
	Three use	0.928 (0.429)