Evaluation of Shear Bond Strength (SBS) of Orthodontic Brackets bonded to Lithium Disilicate glass-ceramics (E-Max) following Etching with Hydrofluoric Acid (HF) versus Er: YAG Laser and Er: Cr: YSGG Laser

Shedid, Karim Ahmed; Sadek, Mais; Mazen, Ibrahim; Amr EL-Etreby; Saifeldin, Hatem;