Table 2.

Study groups, the mean ± standard deviation of push-out bond strength, and percentages of each failure mode in experimental groups.

Group	Material	Blood contamination	Debonding interval	Bond strength (MPa)	Failure mode (%) (A, C, M)
1	ProRoot MTA	+	24 hours	2.34 ± 1.28	22, 14, 64
2	ProRoot MTA	−	24 hours	3.92 ± 1.61	38, 8, 54
3	ProRoot MTA	+	7 days	3.37 ± 1.19	36, 7, 57
4	ProRoot MTA	−	7 days	8.02 ± 3.91	34, 13, 53
5	Biodentine	+	24 hours	6.02 ± 2.33	41, 6, 53
6	Biodentine	−	24 hours	9.46 ± 3.40	31, 19, 50
7	Biodentine	+	7 days	4.40 ± 2.23	27, 7, 66
8	Biodentine	−	7 days	6.10 ± 2.01	27, 13, 60
9	EndoSeal MTA	+	24 hours	1.14 ± 0.38	12, 48, 40
10	EndoSeal MTA	−	24 hours	1.37 ± 0.67	7, 53, 40
11	EndoSeal MTA	+	7 days	0.92 ± 0.34	0, 53, 47
12	EndoSeal MTA	−	7 days	0.84 ± 0.39	0, 66, 34

A: adhesive; C: cohesive; M: mixed; MTA: mineral trioxide aggregate.