Table 1.

Proportion of good to excellent ratings for the three ceramics

YEAR ONE	MC	LDC	LDC/V	p-value
Tissue health	92	100	100	0.99
Marginal integrity	92	100	100	0.99
Secondary caries	92	100	100	0.99
Proximal contact	85	100	92	0.76
Anatomic contour	92	92	100	0.99
Occlusion	85	100	92	0.76
Surface texture	85	100	100	0.32
Crack/chip/fracture	77	100	100	0.09
Color/color match	77	100	100	0.09
Tooth sensitivity	85	92	92	0.99
Wear of antagonist	92	100	100	0.99
Wear of crown	92	100	100	0.99
YEAR TWO	MC	LDC	LDC/V	p-value
Tissue health	92	100	100	0.99
Marginal integrity	92	100	100	0.99
Secondary caries	92	100	100	0.99
Proximal contact	84	100	100	0.32
Anatomic contour	92	100	100	0.99
Occlusion	92	100	100	0.99
Surface texture	92	100	92	0.76
Crack/chip/fracture	92	91	100	0.74
Color/color match	92	100	100	0.99
Tooth sensitivity	92	100	92	0.99
Wear of antagonist	92	100	100	0.99
Wear of crown	92	100	85	0.76
YEAR THREE	MC	LDC	LDC/V	p-value
Tissue health	91	100	100	0.99
Marginal integrity	91	100	100	0.99
Secondary caries	82	100	100	0.31
Proximal contact	91	91	100	0.99
Anatomic contour	91	91	100	0.99
Occlusion	91	100	100	0.99
Surface texture	91	18	27	0.0013
Crack/chip/fracture	73	91	91	0.58
Color/color match	82	82	73	0.99
Tooth sensitivity	82	100	100	0.31
Wear of antagonist	90	100	82	0.76
Wear of crown	90	27	45	0.0078