Changes after mandibular deformity undergoing traction osteoplasty[zan] Changes after mandibular deformity undergoing traction osteoplasty[zan] Changes after mandibular deformity undergoing traction osteoplasty[zan] Changes after mandibular deformity undergoing traction osteoplasty[zan] Changes after mandibular deformity undergoing traction osteoplasty[zan]