A Comparison Between Sternum and Rib in Osteomyocutaneous Reconstruction of Major Mandibular Defects

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Abstract
Following major mandibular resection for intraoral malignancy, 6 patients underwent reconstruction using rib and 22 patients underwent reconstruction using the outer table of the sternum; the pectoralis major muscle was used as the vascular carrier for both bone and skin in all patients. Five of the 6 patients in the rib group encountered major complications. In the sternal group, loss of bone occurred in only 2 of 22 patients. Those aspects of technique considered important to the outcome are detailed. Results are discussed in terms of bone survival, intraoral features including denture placement, and the patient's appearance. The sternal transfer has consistently shown itself to be superior to rib, in terms of both early morbidity and later functional and aesthetic results. It is our present method of choice for reconstruction following major intraoral resection.

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