Table 1. ARI scores of orthodontic cements.

		ARI scores (n=10)*
Group	Solution aging	0	1	2	3	SIG†
PEHB+NACP	1 day	2	3	5	0	A
TB control	1 day	1	2	6	1	A
VT control	1 day	3	6	1	0	B
PEHB+NACP	70 days	1	3	6	0	A
TB control	70 days	1	3	6	0	A
VT control	70 days	4	5	1	0	B

ARI, adhesive remnant index; NACP, nanoparticles of amorphous calcium phosphate; SIG, statistical significance; TB, Transbond XT; VT, Vitremer.

ARI: 0=no adhesive left on the tooth surface; 1=less than half of the adhesive was left on the tooth surface; 2=half or more of the adhesive was left on the tooth; 3=the entire adhesive was left on the tooth surface.

^†Different letters (A, B) indicating significant differences in the ARI scores (P<0.05).