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  • Title: Combined bony closure of oroantral fistula and sinus lift with mandibular bone grafts for subsequent dental implant placement.
    Author: Ahmed MS, Askar NA.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 2011 Apr; 111(4):e8-14. PubMed ID: 21420631.
    Abstract:
    Sinus lifting and reconstruction of localized alveolar defects are often required after closure of a large oroantral fistula (OAF) to allow for subsequent implant installation. This study describes a combined surgical technique that involves sinus lifting, bony closure, and reconstruction of the alveolar defect at the site of an OAF. The sinus membrane was reconstructed as a continuous layer by combining the residual sinus membrane with a rotated part of oral mucosa around the OAF. Autogenous bone from the chin and/or ramus was grafted into the prepared sinus space and alveolar defect, and the graft was covered by a buccal advancement flap. This technique was used to treat 8 patients who had large OAFs in the posterior maxillary region. The treatment was successful in all cases, and the technique appears to be suitable for large OAFs where implants are subsequently desired.
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