A Comparative Study of Microleakage on Dental Surfaces Bonded with Three Self-Etch Adhesive Systems Treated with the Er:YAG Laser and Bur

Table 1

Color code chosen for the different sample groups.

Curettage method	Used adhesive system	Color of the varnish
Laser Er:YAG	Clearfil s^3 Bond Plus	Blue
	Xeno Select	Yellow
	Futurabond U	Red
Fraise	Clearfil s^3 Bond Plus	Green
	Xeno Select	Pink
	Futurabond U	Orange