Autogenous Mandibular Bone Graft for Maxillary LeFort I Osteotomy Inter-positional Gap in Orthognathic Surgery: A Technique Case Series

Correction of maxillofacial skeletal dental deformities often includes surgical interventions in the maxilla and mandible. LeFort I maxillary osteotomies are performed to correct maxillary horizontal, vertical and transverse discrepancies. Repositioning of the maxilla creates an inter-positional gap in bone which may lead to psuedoarthrosis, instability, mobility, infection and eventual relapse. Grafting the inter-positional gap with bone creates mechanical stops to prevent relapse, provides a matrix for secondary ossification, accelerates bony union and inhibits soft tissue herniation.

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