Assessment the Bond Strength of Ceramic Brackets to CAD/CAM Nanoceramic Composite and Interpenetrating Network Composite after Different Surface Treatments

Table 3

Frequency distribution of Adhesive Remnant Index (ARI) scores and Chi-square test results.

Material	Surface	ARI Scores					Asymp.
	Treatments	0	1	2	3		Sig. (2-sided)
Lava Ultimate (LU)	1 W Laser	2	10	0	0
	2 W Laser	0	12	0	0
	Sandblast	0	6	6	0	26.043	0.001
	Silane	3	9	0	0
	HF	0	9	3	0
Vita Enamic (VE)	1 W Laser	1	11	0	0
	2 W Laser	0	12	0	0
	Sandblast	0	7	5	0	30.110	0.000
	Silane	6	6	0	0
	HF	3	7	2	0