{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T04:58:21Z","timestamp":1785214701593,"version":"3.55.0"},"reference-count":39,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2009,3,4]],"date-time":"2009-03-04T00:00:00Z","timestamp":1236124800000},"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":[[2009,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>Objectives: <\/jats:bold> Perforation of the Schneiderian membrane (maxillary sinus mucosa) is a common complication of maxillary sinus graft procedures. Membrane perforation increases the chance of postoperative sinusitis and endangers graft as well as implant survival. The aim of the present study was to explore the mechanical properties of the Schneiderian membrane.<\/jats:p><jats:p><jats:bold>Material and methods: <\/jats:bold> Three test methods were performed on sinus specimen of 20 fresh human cadavers: one\u2010 and two\u2010dimensional membrane elongation as far as perforation, as well as membrane detachment from the adherent bone.<\/jats:p><jats:p><jats:bold>Results: <\/jats:bold> Perforation of the Schneiderian membrane (mean thickness: 90\u2003\u03bcm) occurred at a mean tension of 7.3\u2003N\/mm<jats:sup>2<\/jats:sup>. The membrane could be stretched to 132.6% of its original size in one\u2010dimensional elongation, and to 124.7% in two\u2010dimensional elongation. Thicker membranes demonstrated significantly higher load limits (<jats:italic>P<\/jats:italic>&lt;0.001). The mean modulus of elasticity accounted 0.058\u2003GPa, the mean adhesion force between sinus membrane and bone surface was 0.05\u2003N\/mm.<\/jats:p><jats:p><jats:bold>Conclusions: <\/jats:bold> Respecting the mechanical properties of the Schneiderian membrane may help reducing the complication rates and thus patient morbidity in minimally invasive maxillary sinus floor elevation.<\/jats:p>","DOI":"10.1111\/j.1600-0501.2008.01686.x","type":"journal-article","created":{"date-parts":[[2009,3,5]],"date-time":"2009-03-05T01:04:29Z","timestamp":1236215069000},"page":"633-637","source":"Crossref","is-referenced-by-count":110,"title":["Mechanical properties of the Schneiderian membrane <i>in 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