{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T15:10:58Z","timestamp":1787584258727,"version":"build-2736575974"},"reference-count":29,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,6,7]],"date-time":"2019-06-07T00:00:00Z","timestamp":1559865600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2019,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>It was informed that the thickness of maxillary sinus membrane may be affected by the local and patient\u2010related factors in the literature.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of this retrospective study is to evaluate factors that may have an influence of the thickness and morphology of the maxillary sinus membrane.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>A total of 414 cone beam computed tomography images of 207 patients were evaluated. Radiographic parameters were evaluated at each maxillary premolar and molar tooth regions. Statistical analysis was performed to assess the association between the maxillary sinus mucosa thickness and morphology. The following factors including gender, periodontal bone loss (PBL), bone density, amount of residual alveolar bone at the edentulous space, vitality of the teeth present, and anatomical relationship between the sinus floor and posterior teeth were evaluated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean thickness of maxillary sinus membrane ranged between 1.47 to 2.92\u2009mm and was significantly thicker in male subjects (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.05). Positive correlation was detected between the sinus membrane thickness values in each posterior tooth region (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.05). Thickening of the membrane was noted in 53% of the scans. The most commonly observed morphological change was flat thickening of the membrane (21%). No correlation was found between the evaluated local factors on the thickness and morphology of the maxillary sinus membrane (<jats:italic>P<\/jats:italic>\u2009&gt;\u2009.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Tooth vitality, residual alveolar bone height, and PBL seem to have no effect on the thickness and morphology of the maxillary sinus membrane.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12807","type":"journal-article","created":{"date-parts":[[2019,6,7]],"date-time":"2019-06-07T08:49:40Z","timestamp":1559897380000},"page":"715-722","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Effects of clinical local factors on thickness and morphology of Schneiderian membrane: A retrospective clinical study"],"prefix":"10.1111","volume":"21","author":[{"given":"Ausra","family":"Ramanauskaite","sequence":"first","affiliation":[{"name":"Department of Oral Surgery and Implantology, Carolinum Goethe University  Frankfurt Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emel T.","family":"Ataman\u2010Duruel","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dentistry Hacettepe University  Ankara Turkey"},{"name":"Department of Periodontics College of Dentistry, University of Illinois at Chicago  Chicago IL"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Onurcem","family":"Duruel","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dentistry Hacettepe University  Ankara Turkey"},{"name":"Department of Periodontics College of Dentistry, University of Illinois at Chicago  Chicago IL"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melek D.","family":"T\u00f6z\u00fcm","sequence":"additional","affiliation":[{"name":"Private Practice in Endodontics  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tuba T.","family":"Yildirim","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dentistry Firat University  Elazig Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7485-7272","authenticated-orcid":false,"given":"Tolga F.","family":"T\u00f6z\u00fcm","sequence":"additional","affiliation":[{"name":"Department of Periodontics College of Dentistry, University of Illinois at Chicago  Chicago 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