Introduction: Skeletal class III malocclusion represents dentofacial deformity with mandibular prognathism.Orthognathic surgery along with orthodontic treatment is required for the correction of mandibular prognathism. The surgical correction procedures in orthognathic surgery includes advancement of the maxilla, deprojecting the mandible or a combination of both. In the present study we assessed the incidence of mandibular prognathism who underwent surgical correction

malocclusion, class 3, orthognathic surgery, BSSO,innovative study