Effects of Er, Cr: YSGG Laser on Shear Bond Strength of the Orthodontic Brackets for 5 and 10 Seconds: An In Vitro Study

Table 1

Definition of laser groups.

Groups	Experimental procedure
Group 1 (n = 12)	Control group etched with 37% phosphoric acid
Group 2 (n = 12)	Enamel conditioned with the Er, Cr: YSGG laser at 1 W power
Group 3 (n = 12)	Enamel conditioned with the Er, Cr: YSGG laser at 1.5 W power
Group 4 (n = 12)	Enamel conditioned with the Er, Cr: YSGG laser at 2 W power
Group 5 (n = 12)	Enamel conditioned with the Er, Cr: YSGG laser at 2.5 W power