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. 2019 Autumn;13(4):305–310. doi: 10.15171/joddd.2019.046

Table 2. The mean μSBS values, modes of failure and microhardness values in all the groups .

Group	µSBS (MPa)†M ean ± SE	Mode of failure			Hardness (VHN)*Mean ± SD
Group	µSBS (MPa)†M ean ± SE	Adhesive (%)	Cohesive (%)	Mixed (%)	Hardness (VHN)*Mean ± SD
1	25.01±1.87	5 (33.3)	0 (0)	10 (66.7)	^A314.50±24.95
2	^a21.52±2.04	4 (25.0)	2 (12.5)	9 (60.0)	^A290.94±38.61
3	23.93±1.91	3 (20.0)	2 (13.3)	10 (66.7)	242.50±28.87
4	^a29.93±1.57	2 (13.3)	1 (6.7)	12 (80.0)	^A320.98±30.97
5	26.93±2.18	3 (20.0)	2 (13.3)	10 (66.7)	^A284.90±38.53

†Values with the same letter are significantly different.

*Values with the same letter are not significantly different.