Table 1.

Two-way ANOVA of the vertical marginal openings before and after cementation

Group		In-Ceram zirconia	NECO composite resin	Copy milled zirconia
N		10	10	10
Mean	Before	56.3	56.16	60.16
	After	84.2	95.22	84.22
±SD	Before	3.55	3.24	4.4
	After	2.40	4.40	3.5
F	74.68
P**	0.001

p**=Significant difference

SD=Standard Deviation