{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T03:44:15Z","timestamp":1791863055454,"version":"4.3.4"},"reference-count":22,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,12,23]],"date-time":"2018-12-23T00:00:00Z","timestamp":1545523200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"University of Michigan Periodontal Graduate Student Research Fund"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To endoscopically determine the incidence of Schneiderian membrane perforation during transcrestal maxillary sinus floor elevation (SFE), in relation to the bone preparation technique, amount of bone graft, membrane elevation height and different surgical steps.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Seven cadaver heads corresponding to 12 maxillary sinuses were used to perform three SFE via transcrestal approach per sinus (36 elevations). Each sinus was randomly assigned to either the Sinus Crestal Approach (SCA) drill kit technique (experimental group) or the conventional osteotome technique (control group). During all phases of the surgery, the integrity of the sinus membrane was monitored through endoscopic examination.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A significant difference was found in the incidence of perforation (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.007) and vertical elevation height (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001) between the study groups, favoring the experimental group. A safety elevation threshold of 5\u00a0mm without bone graft and implant placement was estimated. A significant correlation was observed between the residual ridge height and the incidence of perforation (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001; OR\u00a0=\u00a00.51).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The SCA drill kit may demonstrate superior osteotomy preparation and membrane elevation capabilities to the osteotome technique, and significantly when a 6\u2010mm SFE is indicated. Residual ridge height and vertical elevation height are risk determinant factors.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.13388","type":"journal-article","created":{"date-parts":[[2018,11,19]],"date-time":"2018-11-19T08:21:30Z","timestamp":1542615690000},"page":"11-19","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["Schneiderian membrane perforation via transcrestal sinus floor elevation: A randomized ex vivo study with endoscopic validation"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9307-8258","authenticated-orcid":false,"given":"Jordi","family":"Gargallo\u2010Albiol","sequence":"first","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan"},{"name":"Oral and Maxillo\u2010facial Surgery Department Universitat Internacional de Catalunya Sant Cugat del Vall\u00e9s Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7498-8064","authenticated-orcid":false,"given":"Mustafa","family":"Tattan","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khaled H.","family":"Sinjab","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hsun\u2010Liang","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4238-1799","authenticated-orcid":false,"given":"Hom\u2010Lay","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,12,23]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joen.2010.11.014"},{"issue":"8","key":"e_1_2_8_3_1","first-page":"613","article-title":"Grafting of the maxillary sinus floor with autogenous marrow and bone","volume":"38","author":"Boyne P. 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