{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T14:41:50Z","timestamp":1792680110087,"version":"4.5.0"},"reference-count":24,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2012,1,26]],"date-time":"2012-01-26T00:00:00Z","timestamp":1327536000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2012,6]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>Segmental mandibular defects can result after the treatment of various pathologic processes, including osteoradionecrosis, tumor resection, or fracture nonunion with sequestration. The variety of etiologies and the frequency of occurrence make the reconstruction of segmental mandibular defects a topic of significant interest. Despite these incentives, a well\u2010established small\u2010animal model of the segmental mandibulectomy, including composite resection, does not exist. The objective of this study is the creation of a reliable animal model that can be used to study the reconstruction of en bloc mandibular defects. Surgical techniques and an array of reconstructive options are described.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study design<\/jats:title><jats:p>Description of an animal model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Animal laboratory at a quaternary care university medical center.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We present an Animal Research Oversight Committee\u2013approved prospective analysis of survival operations in the rat model. A detailed, stepwise description of surgical technique and relevant intraoperative anatomy is presented. Postoperative management, early pitfalls, surgical complications, and future applications are discussed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 72 operations were performed by a single individual between July and October 2010. Two intraoperative and 9 postoperative complications were recognized. There were 6 orocutaneous fistulas, 2 abscesses, and 1 seroma. There were 4 fatalities, which were attributed to anesthetic complications (2, intraoperative), hematoma formation (1, postoperative), and foreign\u2010body aspiration (1, postoperative).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This novel animal model reliably replicates the en bloc segmental mandibular defects seen in our patient population and can be manipulated to achieve a wide variety of research objectives.<\/jats:p><\/jats:sec>","DOI":"10.1177\/0194599811435633","type":"journal-article","created":{"date-parts":[[2012,1,26]],"date-time":"2012-01-26T22:57:54Z","timestamp":1327618674000},"page":"932-937","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Composite Mandibulectomy"],"prefix":"10.1002","volume":"146","author":[{"given":"Douglas R.","family":"Sidell","sequence":"first","affiliation":[{"name":"Division of Head and Neck Surgery David Geffen School of Medicine at UCLA 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