Table 4.

Games–Howell post hoc test for pairwise comparisons. The results confirm the significance of the differences between each pairwise group.

Groups	Mean Difference	Confidence Intervals 95%	p-Value	Rejection of the Null Hypothesis
Blueshaper vs. ProTaper Gold	−5.1513	−6.23, −4.07	<0.05	True
Blueshaper vs. ProTaper Ultimate	−4.1023	−5.18, −3.02	<0.05	True
Blueshaper vs. File FQ	−3.3657	−4.44, −2.28	<0.05	True
ProTaper Gold vs. ProTaper Ultimate	1.0490	5.78, 1.52	<0.05	True
ProTaper Gold vs. File FQ	1.7857	1.31, 2.25	<0.05	True
ProTaper Ultimate vs. File FQ	0.7367	0.26, 1.21	<0.05	True