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Erschienen in:
01.11.2011 | case study
Transport distraction along the mandibular midline
Conceptual analysis
Erschienen in: international journal of stomatology & occlusion medicine | Ausgabe 3/2011
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Background
Reconstruction of mandibular continuity defect is a challenging task. Transport distraction osteogenesis is a novel reconstructive modality that has been added to the armamentarium of maxillofacial reconstructive surgeons. The difficulties faced for the reconstruction of mandibular midline defects also remain problematic for this recent reconstructive modality.
Case report
A 29-year-old male patient was diagnosed with an ameloblastoma of the left mandible. This case report highlights reconstruction of the left mandibular body with transport distraction osteogenesis following a failed free fibular graft. This report also presents early midline consolidation while the transport segment transverses the arched mandibular midline.
Discussion
During the activation phase the transport disc travels a curvilinear path during its movement along the mandibular midline. Considering the simple laws of mathematics, during this curved movement of the transport disc, the movement in the outer and inner cortical plates remains unequal. The problems of early midline consolidation, analysis of the transport segment movement in an arch and its conceptual analysis are discussed with possible solutions.