{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T03:44:14Z","timestamp":1791863054350,"version":"4.3.4"},"reference-count":53,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T00:00:00Z","timestamp":1724630400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["307255\/2021\u20102"],"award-info":[{"award-number":["307255\/2021\u20102"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>This multicenter cross\u2010sectional clinical study aimed to evaluate the membrane perforation rate during transcrestal sinus floor elevation (TSFE) using osseodensification (OD) burs and assess risk factors associated with the procedure.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>This study was conducted in six centers, following ethical standards and approved by local committees. It included patients over 18\u2009years old missing maxillary posterior teeth with crestal residual bone height (RBH) \u22652 and \u22646\u2009mm. Preoperative evaluations were done, including CBCT scans, to assess bone dimensions and sinus health. All centers and surgeons followed a standardized surgical protocol for TSFE using OD burs. Surgical complications, particularly sinus membrane perforations, were recorded and analyzed. Factors such as implant site, premolars or molars, as well as, healed or fresh socket, along with initial RBH were evaluated for their impact on membrane perforation rate. Descriptive statistics, <jats:italic>\u03c7<\/jats:italic><jats:sup>2<\/jats:sup>, and logistic regression analysis were used to analyze the data.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 621 subjects with an average age of 57.9\u2009years were included. Sinus lifting was performed at 670 sites, with 621 implants placed in the maxilla. The majority of sinus lifts were done in the molar region (76.87%) and in healed bone sites (74.33%). The average RBH was 5.1\u2009mm (ranging from 2 to 7\u2009mm). Sinus membrane perforation occurred in 49 cases (7.31%). RBH \u22643\u2009mm posed a risk factor for sinus membrane perforations followed by RBH &gt;3 and \u22645\u2009mm. Tooth region and implant site were not associated as risk factors for sinus membrane perforation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>OD drilling used for TSFE resulted in low membrane perforation rate. Challenging scenarios of severe posterior maxillary atrophy presented as risk factors for increased perforation rate.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.13368","type":"journal-article","created":{"date-parts":[[2024,8,27]],"date-time":"2024-08-27T02:29:20Z","timestamp":1724725760000},"page":"1172-1180","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Maxillary sinus membrane perforation rate utilizing osseodensification\u2010mediated transcrestal sinus floor elevation: A multicenter clinical study"],"prefix":"10.1111","volume":"26","author":[{"given":"Ziv","family":"Mazor","sequence":"first","affiliation":[{"name":"Private Practice  Tel Aviv Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2758-2667","authenticated-orcid":false,"given":"Joao","family":"Gaspar","sequence":"additional","affiliation":[{"name":"Department of Oral Surgery Egas Moniz School of 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