2.1.3.1. Presurgical phase

Preparing the dentoalveolar arches for orthognathic surgery necessitated leveling and alignment of teeth, decompensating the retroclination of lower incisors, and achieving ideal arch form that allows surgical expansion through median maxillary split. Figures 3 and 4 depict the sequence of orthodontic work and the simulation of surgical movements in 3Ds.
