This study was conducted to evaluate the efficacy of the new MatrixMANDIBLE subcondylar plate in the treatment of subcondylar fractures. Patients and methods: Ten patients were selected from the outpatient clinic of the oral and maxillofacial surgery department at Cairo university. Patients selected all suffered from subcondylar fractures, but treated for any other facial fractures. All patients required open reduction and rigid fixation for the subcondylar fracture. Clinical follow-up was done postoperatively to check for open bite, maximal interincical opening and deviation of the mandible. Radiographic follow up was done immediate postoperatively and 6 months postoperatively to check for proper anatomic location, reduction and healing of the fracture. Preoperatively, panoramic and Postero-Anterior view and CT Scans were taken. Immediate postoperatively, panoramic and Postero-Anterior views were taken, 6 months postoperatively, panoramic, Postero-Anterior and CT Scans were taken. Results: Clinical follow up showed that mouth opening was more than 40 mm in 8 patients, where 2 patients had less than 40 mm mouth opening. Radiographic follow up revealed complete healing of the fractures with proper anatomic contour of the condyles.