The Effect of Multiple Autoclave Sterilization on the Cyclic Fatigue of Three Heat-Treated Nickel-Titanium Rotary Files: EdgeFile X7, Vortex Blue, and TRUShape

Table 2

Tukey’s post hoc test for multiple comparisons between different groups.

Type		Mean difference	95% confidence interval
			Lower	Upper
EdgeFile (S)	Vortex Blue (NS)	630.0	433.9	826.1	<0.001
	Vortex Blue (S)	592.6	396.5	788.7	<0.001
	TRUShape (NS)	756.5	560.5	952.6	<0.001
	TRUShape (S)	711.0	514.9	907.1	<0.001
EdgeFile (NS)	Vortex Blue (NS)	187.1	-9.0	383.2	0.070
	Vortex Blue (S)	149.7	-46.4	345.8	0.234
	TRUShape (NS)	313.6	117.5	509.7	<0.001
	TRUShape (S)	268.1	72.0	464.1	0.002
Vortex Blue (S)	TRUShape (NS)	163.9	-32.2	360.0	0.153
	TRUShape (S)	118.4	-77.7	314.5	0.491
Vortex Blue (NS)	TRUShape (NS)	126.5	-69.6	322.6	0.415
	TRUShape (S)	81.0	-115.1	277.1	0.829

Significance level at .