{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T11:52:07Z","timestamp":1790855527475,"version":"4.1.0"},"reference-count":29,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,5,22]],"date-time":"2021-05-22T00:00:00Z","timestamp":1621641600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical &amp; Exp Dental Res"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To describe the relationship between maxillary sinus (MS) and upper teeth based on cone beam computed tomographic scans (CBCT).<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Based on CBCT maxillary imaging data of 147 patients, distance between MS and apices of canines and posterior maxillary teeth were assessed. Distances between tooth roots and sinus were classified into three groups: distant (&gt;2\u2009mm), close (&lt;2\u2009mm) or in contact with MS. Teeth with apical lesions and uncommon root configurations were excluded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 1075 teeth of maxillary canines, upper premolars and upper molars were included in this study. Teeth most often in contact with MS were the second (89%) and first (81%) maxillary molar without any significant difference (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.19). Roots most often in contact with MS were the mesiobuccal and distobuccal root of the second molar (85% and 76%; <jats:italic>p<\/jats:italic>\u00a0=\u00a0&lt;0.01) followed by the palatal root of the first molar (73%). A fifth of the upper canines are situated less than 2\u2009mm from MS.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>More than four out of five upper molars (first and second) are in a close relationship to the MS. Knowledge of the anatomical relationship between posterior maxillary teeth and the MS is important for diagnosis and treatment in this area.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cre2.451","type":"journal-article","created":{"date-parts":[[2021,5,22]],"date-time":"2021-05-22T11:16:03Z","timestamp":1621682163000},"page":"1197-1204","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["<scp>CBCT<\/scp>\u2010based assessment of the anatomic relationship between maxillary sinus and upper teeth"],"prefix":"10.1002","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9561-3245","authenticated-orcid":false,"given":"Tobias","family":"Regnstrand","sequence":"first","affiliation":[{"name":"Section of Oral Diagnostics and Surgery, Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine Karolinska Institutet  Huddinge Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andres","family":"Torres","sequence":"additional","affiliation":[{"name":"OMFS\u2010IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine Catholic University of Leuven  Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eline","family":"Petitjean","sequence":"additional","affiliation":[{"name":"Department of Oral Health Sciences, Endodontology, KU Leuven &amp; Dentistry University Hospitals Leuven  Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Lambrechts","sequence":"additional","affiliation":[{"name":"Department of Oral Health Sciences, Endodontology, KU Leuven &amp; Dentistry University Hospitals Leuven  Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2329-7591","authenticated-orcid":false,"given":"Daniel","family":"Benchimol","sequence":"additional","affiliation":[{"name":"Section of Oral Diagnostics and Surgery, Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine Karolinska Institutet  Huddinge Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reinhilde","family":"Jacobs","sequence":"additional","affiliation":[{"name":"Section of Oral Diagnostics and Surgery, Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine Karolinska Institutet  Huddinge Sweden"},{"name":"OMFS\u2010IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine Catholic University of Leuven  Leuven Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,5,22]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.11607\/prd.3722"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1590\/0103-6440201600679"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.5624\/isd.2016.46.2.93"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12903-018-0626-z"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2008.12.021"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/0300060519860960"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.5624\/isd.2012.42.4.219"},{"issue":"1","key":"e_1_2_10_9_1","first-page":"66","article-title":"Anatomical evaluation of the relationship between the maxillary posterior teeth and maxillary sinus","volume":"68","author":"Junqueira R. 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