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Data included demographics, symptoms, clinical findings, and treatment modalities.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>32 patients (mean age: 62.3 years) were analyzed, with a notable incidence of sinusitis and oroantral fistulas. 91% required surgical intervention, predominantly Functional Endoscopic Sinus Surgery (63%). The majority of displacements occurred during the implantation process, often correlating with clinical symptoms.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>As shown in our study, displacement of implants into maxillary sinus, often leads to sinusitis and oroantral fistula. A proposed treatment algorithm emphasizes surgical intervention, particularly Functional Endoscopic Sinus Surgery, based on symptoms and clinical signs.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/s40729-025-00629-3","type":"journal-article","created":{"date-parts":[[2025,6,6]],"date-time":"2025-06-06T07:52:14Z","timestamp":1749196334000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Implant displacement to the maxillary sinus\u2013 a retrospective multicenter cohort study and a management protocol"],"prefix":"10.1186","volume":"11","author":[{"given":"Daniel","family":"Muchnik","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gavriel","family":"Chaushu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eli","family":"Rosenfeld","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shaked","family":"Adut","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aiman","family":"Elmograbi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meir","family":"Debecco","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amir","family":"Laviv","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daya","family":"Masri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,6,6]]},"reference":[{"issue":"10","key":"629_CR1","doi-asserted-by":"publisher","first-page":"1152","DOI":"10.1111\/j.1600-0501.2011.02278.x","volume":"23","author":"P Galindo-Moreno","year":"2012","unstructured":"Galindo-Moreno P, Padial-Molina M, Avila G, Rios HF, Hern\u00e1ndez-Cort\u00e9s P, Wang HL. 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