Figure 1: (a) Pretreatment photograph before initiation of fixed orthodontic therapy. (b) Extrusion of maxillary left central incisor with ligature tie activated. (c) Bonding of MBT in the maxillary arch (occlusal view). (d) Postorthodontic extrusion by 2 mm. MBT: McLaughlin, Bennett, Trevisi system brackets