Improved Implant for Reconstruction Purposes After Mandibular Resection

Inclusion Criteria: * Age ≥ 18 years at time of study entry. * T4 oral cavity tumor with mandible invasion, requiring segmental mandibulectomy. * Reconstruction with free fibula flap not feasible because of any or a combination of the following reasons: oCT angiography of the legs and/or the neck shows severe stenosis of the ves-sels. * Previous medical history of severe atherosclerotic disease. * General health condition necessitating a shorter operation time. * Cases will be discussed in the multidisciplinary tumor board that they are eligible for composite resection but not eligible for free fibula flap. * Written informed consent. Exclusion Criteria: * Patients who are eligible for free fibula flap. * Pregnancy. * General health condition does not allow surgery * History of psychiatric disability judged by the investigator to potentially hamper compliance with the study protocol and follow-up schedule. * Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule.