{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T16:41:17Z","timestamp":1791996077454,"version":"4.4.0"},"reference-count":46,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2013,9,30]],"date-time":"2013-09-30T00:00:00Z","timestamp":1380499200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2014,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim of the study<\/jats:title><jats:p>To present the authors' experience concerning the removal of dental implants displaced in the maxillary sinus via an intraoral approach consisting of the creation of a bony window pedicled to the maxillary sinus membrane.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Thirty\u2010six systemically healthy patients, presenting with oral implants displaced into the maxillary sinus, but with no signs of acute or chronic sinusitis, were consecutively treated between 2002 and 2012 via an intraoral approach with the bony window technique.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Removal of oral implants from the maxillary sinus was achieved in all patients, and postoperative recovery was uneventful in all of them. Computed tomographies performed after surgery showed no signs of residual sinus infection in all patients and a complete ossification of the bony window margins. Twelve of the 36 treated patients were treated with a sinus grafting procedure 12\u201318\u00a0months after in the same areas previously treated with the bone lid technique. Seventeen implants were placed in the grafted areas 6\u20139\u00a0months later and, after a further waiting period needed for osseointegration, the treated patients were rehabilitated with implant\u2010supported prostheses. The survival rate of implants was 100%, and no complications related to the sinuses and implants were recorded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Results from this study seem to demonstrate that the bony window technique is a safe and easy way to remove oral implants from the maxillary sinus under local anesthesia. The surgical access is hardly visible 6\u201312\u00a0months after surgery, and maxillary sinuses appeared free from residual pathology in all treated patients. Finally, this procedure allows a second\u2010stage sinus grafting procedure via a lateral approach as in a previously untreated maxillary sinus, thus allowing an implant\u2010supported prosthetic restoration.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12276","type":"journal-article","created":{"date-parts":[[2013,10,12]],"date-time":"2013-10-12T01:44:07Z","timestamp":1381542247000},"page":"1344-1351","source":"Crossref","is-referenced-by-count":29,"title":["An easy access to retrieve dental implants displaced into the maxillary sinus: the bony window technique"],"prefix":"10.1111","volume":"25","author":[{"given":"Federico","family":"Biglioli","sequence":"first","affiliation":[{"name":"Unit of Maxillo\u2010Facial Surgery Department of Health Sciences San Paolo Hospital University of Milan Milan Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matteo","family":"Chiapasco","sequence":"additional","affiliation":[{"name":"Unit of Oral Surgery Department of Health 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