Journal of Dental Rehabilitation and Applied Science

Table. 2. Table 2

Mean and SD (standard deviation) of shear bond strength test for group 1, 2, 3 (unit: MPa)

	Control (0 wt%)		2 wt%		3 wt%		P value
Group (n = 45)	Mean	SD	Mean	SD	Mean	SD	P value
Group 1	4.36	1.19	3.20	1.10	3.55	1.15	0.026*
Group 2	6.79	1.15	5.30	1.60	5.17	1.24	0.003*
Group 3	13.61	2.41	10.63	2.43	11.48	2.22	0.004*

* denotes a significant difference between each group (P < 0.05).

Group 1: Tokuyama Rebase II normal, Group 2: KOOLINER, Group 3: ProBase Cold.