Table 6. Failure percentages of the groups.

Surface treatment	Material type	Aging type	Aging type
			Adhesive	Cohesive	Mixed
Control	CE	Non-aged	90	-	10
		Aged	100	-	0
	VE	Non-aged	90	-	10
		Aged	90	-	10
	VM	Non-aged	90	-	10
		Aged	100	-	0
	EC	Non-aged	80	-	20
		Aged	100	-	0
Air abrasion	CE	Non-aged	50	-	50
		Aged	80	-	20
	VE	Non-aged	60	-	40
		Aged	70	-	30
	VM	Non-aged	70	-	30
		Aged	80	-	20
	EC	Non-aged	70	-	30
		Aged	80	-	20
	CE	Non-aged	80	-	20
		Aged	90	-	10
	VE	Non-aged	80	-	20
		Aged	60	-	40
Hydrofluoric acid etching	VM	Non-aged	20	30	50
		Aged	40	10	50
	EC	Non-aged	10	10	80
		Aged	40	10	50
	CE	Non-aged	90	-	10
		Aged	90	-	10
	VE	Non-aged	40	-	60
		Aged	80	-	20
Laser irradiation	VM	Non-aged	70	-	30
		Aged	80	-	20
	EC	Non-aged	70	-	30
		Aged	70	-	30

CE: Cerasmart; VE: Vita Enamic; VM: Vita Mark II; EC: E.max CAD