The aim of this case report was to report the course of treatment for the advanced paranasal sinus infection triggered by peri-implantitis, managed using functional endoscopic sinus surgery (FESS), with outcomes. A non-smoking male patient received sinus augmentation with implant placement on his left posterior maxilla 15 years ago. Possibly due to non-compliance to maintenance, peri-implantitis developed and progressed into the augmented bone area in the maxilla. Eventually, maxillary sinusitis occurred concomitantly with a spread of the infection to the other paranasal sinuses. Implant removal and intraoral debridement of inflammatory tissue were performed, but there was no resolution. Subsequently, FESS was performed, with removal of nasal polyp and sequestrum. After FESS, the sinusitis resolved. Histologically, the sequestrum was composed of bone substitute particles, necrotic bone, stromal fibrosis, and very limited cellular component. Two implants were placed on the present site, and no adverse event occurred for up to one year following the insertion of the final prosthesis. Peri-implantitis in the posterior maxilla can trigger maxillary sinusitis with concomitant infection to the neighboring paranasal sinuses. FESS should be considered to treat this condition.
Functional endoscopic sinus surgery for paranasal sinusitis originating from a peri-implantitis-triggered infection in the augmented maxilla: a case report
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Won-Bae Park, Young-Jin Kim, Yeek Herr, Hyun-Chang Lim; Functional endoscopic sinus surgery for paranasal sinusitis originating from a peri-implantitis-triggered infection in the augmented maxilla: a case report. J Oral Implantol doi: https://doi.org/10.1563/aaid-joi-D-19-00381
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