{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T22:20:07Z","timestamp":1769120407518,"version":"3.49.0"},"reference-count":38,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2012,10,8]],"date-time":"2012-10-08T00:00:00Z","timestamp":1349654400000},"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":[[2014,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The degree of difficulty in performing lateral window sinus augmentation may depend on the morphology of the maxillary sinus. The aim of this was to measure the distances between the medial and lateral sinus wall (sinus width [<jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content>]) at different levels and apply those <jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content> values to formulate a new sinus classification.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Edentulous sites adjacent to maxillary sinuses with inadequate ridge height (<jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>; &lt;10\u00a0mm) were included from cone\u2010beam computed tomography database in the <jats:styled-content style=\"fixed-case\">U<\/jats:styled-content>niversity of <jats:styled-content style=\"fixed-case\">M<\/jats:styled-content>ichigan. <jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content> was measured at the heights of 5, 7, 10, 13, and 15\u00a0mm from alveolar crest at the edentulous sites. Mean <jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content> was stratified by residual <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content> into three different groups (group 1: &lt;4\u00a0mm, group 2: \u22654 and &lt;7, and group 3: \u22657 and &lt;10), study sites (first and second premolars and molars), and measurement levels.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Three hundred and twenty subjects (mean 50.1\u00a0years old) with 422 edentulous sites were included. Mean <jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content> was wider at molar sites, higher measurement levels, and sites with shorter residual RH. Mean SW at the lower (average 2.3\u00a0mm from sinus floor) and higher boundary (15\u00a0mm from the alveolar crest) of lateral window osteotomy was 9.0 (2.8) and 16.0 (4.4) mm, respectively. Narrow, average, or wide sinuses were classified when the <jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content> was &lt;8, 8\u201310 and &gt;10\u00a0mm at the lower boundary or &lt;14, 14\u201317 and &gt;17\u00a0mm at the upper boundary, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">SW<\/jats:styled-content> at levels that were relevant to lateral window sinus augmentation was measured. The proposed sinus classification could facilitate communication between health providers and determine the degree of easiness of sinus augmentation. It might be particularly useful for the selection of grafting materials and surgical approaches. Further studies are required to test its clinical implications.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12055","type":"journal-article","created":{"date-parts":[[2012,10,9]],"date-time":"2012-10-09T03:27:47Z","timestamp":1349753267000},"page":"647-652","source":"Crossref","is-referenced-by-count":59,"title":["Evaluation of maxillary sinus width on cone\u2010beam computed tomography for sinus augmentation and new sinus classification based on sinus width"],"prefix":"10.1111","volume":"25","author":[{"given":"Hsun\u2010Liang","family":"Chan","sequence":"first","affiliation":[{"name":"Graduate Periodontics Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor MI USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando","family":"Suarez","sequence":"additional","affiliation":[{"name":"Graduate Periodontics Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor MI 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