Fig. 2

a Intraoral photographs and panoramic radiograph taken after two-staged corticotomy at maxillary posterior segments and anchor plate placements. b Intraoral photographs taken 8 months after initiation of multibracket treatment. c Schematic illustrations of the corticotomy and use of anchor plate. Red arrows indicate corticotomy lines. White dotted lines indicate the first corticotomy, and yellow dotted lines the second corticotomy