Table 2.

The mean mode of failures with percentages in each group

Mode of failure*	A(CSI)		B(PUI)		C(LAI)		Total
	1 (Total-etch)	2 (Self-etch)	1 (Total-etch)	2 (Self-etch)	1 (Total-etch)	2 (Self-etch)
I	2 (4.2%)	2 (4.2%)	4 (8.3%)	2 (4.2%)	6 (12.5%)	6 (12.5%)	22 (7.6%)
II	4 (8.3%)	4 (8.3%)	-	2 (4.2%)	-	-	10 (3.5%)
III	24 (50%)	22 (45.8%)	18 (37.5%)	14 (29.2%)	12 (25%)	10 (20.8%)	100 (34.7%)
IV	8 (16.7%)	8 (16.7%)	10 (20.8%)	10 (20.8%)	12 (25%)	12 (25%)	60 (20.8%)
V	10 (20.8%)	12 (25%)	16 (33.3%)	20 (41.7%)	18 (37.5%)	20 (41.7%)	96 (33.3%)
Total	48	48	48	48	48	48	288

^*Mode of failure: type I, cohesive failure in dentine; type II, cohesive failure in the cement; type III, adhesive failure between the cement and the dentine; type IV, adhesive failure between the cement and the post; type V, mixed failures consisting of a combination of two or more failure modes