Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral and Maxillofacial Surgery

Frontal sinus fractures pose an interesting and challenging problem, as optimal treatment strategies for their management remain controversial. These fractures are peculiar in that a wrong treatment encompasses not only functional or aesthetical problems but also more dangerous complications. Various techniques have been advocated to repair or remove the frontal sinus that depend on the mechanism and extent of the injury and the status of the nasofrontal duct (NFD). Various autogenous and alloplastic materials with different success rates have been used in the literature for obliteration of the frontal sinus. Autogenous fat and cortico-cancellous bone grafts have been the most commonly reported with the highest rate of success. That{u2019}s why in this study, we opted to compare the results of both materials and evaluate their success rates. Patients with displaced anterior table frontal sinus fractures and compromised NFD were included and divided into two groups according to the material used for obliteration. Group A included frontal sinuses obliterated with abdominal fat graft while anterior cortico-cancellous iliac crest bone was used for frontal sinus obliteration in group B. Follow up consisted of clinical and radiographic examination in the form of multislice CT immediately, at 6 months, and at 12 months post-operatively

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