Direct bonding of orthodontic attachment has removed some of the esthetic concerns many adults previously had when considering orthodontic therapy. With an increase in adult treatment comes the challenge of direct bonding to non-enamel surface, such as composite restoration. The big problem that faces orthodontist is debonding of the brackets specially in cases when it fixed on restoration like composite. Therefore a roughened surface will need in order to bond the adhesive composite material to the substrate composite restoration, this roughness will lead to distraction, weaken and loss of...