A randomized prospective clinical study to compare screw Retained Arch Bar and Conventional Erich's Arch Bar in Maxillomandibular Fixation

2) Patients with non-pathological favorable or non-favorable fracture of mandible or maxilla that can be treated by MMF when acceptable occlusion can be obtained via bimanual reduction will be divided randomly into two equal groups: Group I: 10 patients will receive conventional Erich's arch bar. Group II: 10 patients will receive modified screw retained arch bar.

Inclusion Criteria:

1. The patients age ranges from 18 to 50 years.
2. Patients with non-pathological favorable or non-favorable fracture of mandible or maxilla that can be treated by MMF when acceptable occlusion can be obtained via bimanual reduction.
3. Patients medically free from any systemic disease that absolutely contraindicate the surgical procedures.

Exclusion Criteria:

• 1) Edentulous ridge fracture. 2) Patients having primary and mixed dentition.