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Revista Española de Cirugía Oral y Maxilofacial

versão On-line ISSN 2173-9161versão impressa ISSN 1130-0558


ZUBILLAGA RODRIGUEZ, I.; HERAS RINCON, I.  e  MONTALVO MORENO, J.J.. Post surgical orthognathic of upper maxilla pseudoarthrosis: Proposed clinical study. Rev Esp Cirug Oral y Maxilofac [online]. 2009, vol.31, n.3, pp.196-202. ISSN 2173-9161.

Introduction. The development of rigid internal fixation in the management of facial fractures over the last 25 years increased not only the number of available treatments but also, when incorrectly applied, the types of complications arising. Material and methods. We present a new case report of upper jaw pseudoarthrosis after a convencional treatment of orthognatic surgery ( osteotomy type LeFort I). Discussion. Pseudarthrosis-nonunion can result after incorrect treatment of facial fractures with titanium miniplatesscrews. When we review the publishing literature, we find that the correct treatment of this potential pitfalls has not changed significantly during last years. The aim is the mechanical immobility of the created fracture. Sometimes we must harvest cancellous bone graft to complete the treatment. We discuss the different terms related to anomalies in the ossification. Conclusions. Inadequate stabilization of fractures by either conservative or operative methods often leads to infection, pseudoarthrosis or both. To promote healing of both infections and pseudarthrosis, absolutely stable fixation of the fragments is necessary. Depending on the defect zones that may develop, the osteosynthesis or reosteosynthesis that is usually necessary must be accompanied by a graft of autogenous cancellous bone.

Palavras-chave : Pseudarthrosis; Delayed union; Orthognatic surgery.

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