Table 1. Bonferroni’s multiple comparison test to compare insertion torque values between the groups in the two synthetic bone blocks.

		Block 1			Block 2
Group Comparison	Mean of Diff.	p-value	95% CI	Mean of Diff.	p-value	95% CI
G1 vs. G2	-14.90	0.0001*	-19.16 to -10.64	-25.40	0.0001*	-32.28 to -18.52
G1 vs. G3	-19.40	0.0001*	-23.66 to -15.14	-26.90	0.0001*	-33.78 to -20.02
G1 vs. G4	-2.500	0.0241*	-6.760 to 1.760	-18.40	0.0001*	-25.28 to -11.52
G2 vs. G3	-4.500	0.0532	-8.76 to -0.2403	-1.500	0.8642	-8.376 to 5.376
G2 vs. G4	12.40	0.0002*	8.140 to 16.66	7.000	0.0498*	0.1235 to 13.88
G3 vs. G4	16.90	0.0002*	12.64 to 21.16	8.500	0.0084*	1.624 to 15.38

Diff. = Differences

* with difference statistical (p < 0.05); CI = Confidence Interval.