Inclusion Criteria:  Age ranged from 18 to 35 years. Patients were not suffering from systemic diseases that compromise wound or bone healing. Patients indicated for leforte I or maxillary subapical osteotomy. Patients agree the informed consent .  Exclusion Criteria:  Patients suffering from systemic disease that may affect bleeding or bone healing Syndromicdentofacial deformity patients. Patients were subjected to previous maxillary orthognathic surgery.