Stability of Two Designs of Patient Specific Osteosynthesis For Fixation of LeFort 1 Osteotomy in Orthognathic Surgery

Inclusion Criteria: * Adult patients with dentofacial deformity: skeletal class 2, class 3, vertical maxillary excess, Facial asymmetry. * Patient seeking definitive surgical correction and refusing orthodontic camouflage. * Maxillary impaction, advancement and rotations. * Highly motivated patients. * Good oral hygiene. * Patients willing for the surgical procedure and follow-up, with an informed consent Exclusion Criteria: * Medically compromised patients * Uncooperative patients * Poor oral hygiene * Periodontal diseases * Patients with no desire for surgical correction * Patients with any diseases that compromise bone or soft tissue healing Patients with local pathology that interfere with the bone healing