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

Figure 5

SEM images of laser-etched samples irradiated for 5 s at 1 W power (a), 1.5 W power (b), 2 W power (c), and 2.5 W power (d).

(a)

(b)

(c)

(d)