{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T22:55:38Z","timestamp":1790636138976,"version":"4.1.0"},"reference-count":17,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2016,6,29]],"date-time":"2016-06-29T00:00:00Z","timestamp":1467158400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To present a classification and assess the presence and degree of cortication of the sinus floor utilizing Computerized Tomography (CT) scan images.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>One hundred CT scans, of patient who required a sinus augmentation procedure (SAP), were evaluated and classified according to the Type of sinus floor cortication (SFC). Type 1: sinus floor showing similar or higher density than the surrounding cortical areas. Type 2: sinus floor showing less density than the surrounding cortical areas. Type 3: sinus floor showing no cortical bone. Type 4: sinus floor showing the fusion of sinus floor bone and native crestal bone.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The SFC were present in 31, 41, 18, and 10 cases in Type 1, 2, 3, and 4, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This classification based on the level of cortication of the sinus floor is clinically useful as a method of determining if the dental implant can be placed simultaneously or not with the SAP, or can be placed even without a SAP.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12434","type":"journal-article","created":{"date-parts":[[2016,6,30]],"date-time":"2016-06-30T01:22:52Z","timestamp":1467249772000},"page":"69-73","source":"Crossref","is-referenced-by-count":9,"title":["Sinus Floor Cortication: Classification and Prevalence"],"prefix":"10.1111","volume":"19","author":[{"given":"Guillaume","family":"Choucroun","sequence":"first","affiliation":[{"name":"Implant Resident, Ashman Department of Periodontology and Implant Dentistry New York University College of Dentistry New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julien","family":"Mourlaas","sequence":"additional","affiliation":[{"name":"Implant Resident, Ashman Department of Periodontology and Implant Dentistry New York University College of Dentistry New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nur Hafizah","family":"Kamar Affendi","sequence":"additional","affiliation":[{"name":"Implant Resident, Ashman Department of Periodontology and Implant Dentistry New York University College of Dentistry New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stuart J","family":"Froum","sequence":"additional","affiliation":[{"name":"Clinical Professor and Director of Clinical Research, Ashman Department of Periodontology and Implant Dentistry New York University College of Dentistry New York New 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