20
Participants
Start Date
February 15, 2025
Primary Completion Date
February 1, 2026
Study Completion Date
February 27, 2026
vertical ramus osteotomy with iliac graft
in the VRO group all patient will undergo vertical ramus osteotomy surgery with iliac graft to correct the sever mandibular defficiency
bilateral sagittal splitting osteotomy
all patients in this group will undergo to bilateral sagittal split osteotomy to correct the sever mandibular deficiency
RECRUITING
Beni-Suief University, Beni-seuf
Fayoum University
OTHER