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J Craniofac Surg. 2012 Nov;23(6):e535-7. doi: 10.1097/SCS.0b013e31825aaff8.

Evaluation of a maxillary sinus floor augmentation in the presence of a large antral pseudocyst.

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  • 1Department of Oral Radiology, School of Dentistry, University of São Paulo, São Paulo, Brazil. arthuro@usp.br


Sinus floor augmentation has been established as a predictable technique to overcome maxillary bone loss. Antral cystic lesions may lead to intrasurgical complications and should be accurately diagnosed. However, antral pseudocysts have recently been described not to be contraindicated for sinus-grafting procedures. The current article sought to report clinical, cone beam computed tomographic, and histologic results of a maxillary sinus floor augmentation, performed with piezoelectric surgery, in the presence of a large antral pseudocyst. Success of graft maturation was confirmed with histologic analysis, which also indicated the absence of inflammatory infiltration in the tissue evaluated. On the basis of our findings, it is possible to perform a predictable treatment based on sinus floor augmentation in the presence of antral pseudocysts. Graft maturation can also be achieved 6 months after sinus-lifting surgeries.

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