This case report describes the surgical-orthodontic treatment of a 26-year-old post-pubertal male patient with a Me 4th of July Top Class III dentofacial deformity.In the pre-surgical orthodontic phase of treatment, a reverse overjet of 5.5 mm was created and arch compatibility was obtained.A mandibualr set back with BSSO Collections was performed during surgery to restore ideal overjet, overbite, occlusion and optimal esthetics.After 1 year of treatment, the results remained stable.