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Made available in DSpace on 2020-12-12T01:40:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-10-01 Gunshot wounds can cause extensive destruction of soft tissue and bone, and the maxillofacial region is often affected. The reconstructive treatment is complex due to the difficulty to reestablish the central arch mandibular contour and volume. Moreover, the goal is to avoid postoperative infections and obtain bone graft neovascularization. Therefore, this report shows a clinical case of a patient presenting mandibular deformity with a mandibular central arch discontinuity caused by a firearm injury. The strategy to the reconstructive treatment as performed with a condensed and stabilized particulate autogenous bone graft was essential and effectiveness. After 1 year, it was obtained a satisfactory result to the patient. Department of Surgery and Integrated Clinic Araçatuba School of Dentistry University Estadual Paulista (UNESP), Jose Bonifacio, 1193 Department of Basic Science Araçatuba Dental School University Estadual Paulista (UNESP) Department of Oral and Maxillofacial Surgery Nova Friburgo - Universidade Federal Fluminense Department of Oral and Maxillofacial Surgery General Hospital of Nova Iguacu Department of Surgery and Integrated Clinic Araçatuba School of Dentistry University Estadual Paulista (UNESP), Jose Bonifacio, 1193 Department of Basic Science Araçatuba Dental School University Estadual Paulista (UNESP)

Treatment of frontal sinus fractures depends on the structures involved: the anterior wall, the posterior wall and the nasofrontal duct. It may vary from the correction of the defect in the anterior wall to the cranialization with obliteration of the nasofrontal duct. The inversion of the frontal sinus's anterior wall to correct the defect in the fractured region is a good treatment option for sequelae, since this technique eliminates or reduces the use of biomaterial in the area, and allows direct assessment of the permeability of the nasofrontal duct. This work describes the technique of fractured segment inversion for the treatment of frontal sinus fracture sequelae in a motorcycle accident victim. RESUMO O tratamento das fraturas do seio frontal depende das estruturas envolvidas: a parede anterior, a parede posterior e o ducto nasofrontal. Os tratamentos podem variar entre corrigir um defeito na parede anterior até a realização de uma cranialização com obliteração do ducto nasofrontal. O uso da inversão da parede anterior do seio frontal para corrigir o defeito na região fraturada representa uma boa opção de tratamento para os casos de sequelas, já que esta técnica elimina ou reduz a utilização de biomaterial nesta área, e permite avaliação da permeabilidade do ducto nasofrontal por acesso direto. Este trabalho descreve a técnica de inversão do segmento fraturado para tratamento de sequelas de fratura do seio frontal em paciente vítima de acidente motociclístico.