Abstract:Objectives: Comparing effect of surface enamel conditioning when irradiated with Er,Cr:YSGG laser versus typical phosphoric acid etching on shear bond strength of orthodontic brackets and their effect on esthetics of enamel surfaces after debonding. Methods: Forty freshly extracted premolars were used in this study. Sample was divided into two groups (n=20), group I; enamel etched with 37% phosphoric acid (3M Unitek, Monrovia, USA) for 15 s. Group II; enamel was irradiated with Er,Cr:YSGG laser ablated with an… Show more
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