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A Retrospective Analysis of the Retreatment of Failed Sinus Bone Grafts
1*Professor, Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Sungnam, Korea. †Professor, Department of Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea. ‡Professor, Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju, Korea.
Abstract:
This analysis examined the types of retreatment in failed sinus bone grafts due to the development of maxillary sinusitis. Reoperation was performed in 7 patients. The types of reoperation included infection management, reconstruction of the sinus roof using a pedicled buccal fat pad and collagen membrane, oroantral fistula closure, sinus bone graft using an autogenous bone graft, and implant placement. In one case, sinusitis developed 14 months after the reoperation, but it was managed by incision, drainage, and administration of antibiotics. All sinus bone grafts that were performed during the retreatments were successful.
