Effectiveness of Methods to Remove Residual Orthodontic Adhevsie

1. To evaluate and compare the bond failure rates of rebonded brackets using two methods to remove the adhesive remnant and comparing them with contralateral teeth. 2. To evaluate and compare the bond failure rates of rebonded brackets between different quadrants and arches. 3. To evaluate and compare the bond failure rates of rebonded molar tubes using two methods to remove the adhesive remnant and comparing them with contralateral teeth. 4. To evaluate and compare the bond failure rates of rebonded molar tubes between different quadrants and arches.