Background. Postresective mandibular reconstruction is common in cases of oral andmandibular tumors. However, complications\nsuch as infection, plate exposure, or plate fracture can occur. We identified several significant risk factors of complications after\nreconstructive surgery and compared the effectiveness of different surgical techniques for reducing the incidence of complications.\nMethods. This study is a retrospective analysis of 28 oromandibular cancer cases that required reconstructive surgery between\nJanuary 1999 and December 2011 at Kobe University Graduate School of Medicine in Japan. All cases were classified using\nHashikawa�s CAT and Eichner�s classification methods. Then, we determined whether these classifications and different treatment\nor surgical methods were significantly related to complications. Results. Complications after mandibular reconstruction occurred\nin 10/28 patients (36%). Specifically, five patients had plate fractures, four had plate exposures, and one had an infection. Radiation\ntherapy and closure without any flaps were significantly related to infection or plate exposure. The wrap-around technique of\nsecuring reconstruction plates was used in 14 cases, whereas the run-through technique was used in two cases. Conclusions. The\nsuccess of mandibular reconstruction depends on both mechanical and biological factors, such as the location of defects, presence\nof occlusions, and the amount of vascularization of the flap.
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