{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T00:44:49Z","timestamp":1793234689073,"version":"4.5.0"},"reference-count":20,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2022,9,11]],"date-time":"2022-09-11T00:00:00Z","timestamp":1662854400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2022,9,11]],"date-time":"2022-09-11T00:00:00Z","timestamp":1662854400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Oral Health"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Objective<\/jats:title>\n                <jats:p>This study aimed to measure the amount of maxillary sinus pneumatization (MSP) extended into alveolar processes in different age groups via cone-beam computed tomography (CBCT) and its association with age.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>The data of 293 adult patients (533 maxillary sinuses) who underwent CBCT at our hospital from January 2020 to October 2020 were analyzed and divided into the following age groups: group I (18\u201334\u00a0years old, youth group), group II (35\u201359\u00a0years old, middle-aged group) and group III (\u2265\u200960\u00a0years old, elderly group). The distance between the lowest point of the maxillary sinus floor and nasal cavity floor in the central area of the maxillary posterior teeth was measured and recorded as the amount of MSP. Further, according to the positional relation between the maxillary posterior teeth and maxillary sinus floor, MSP was divided into type I (normal pneumatization) and type II (extensive pneumatization). The distribution of pneumatization types and degree and change of pneumatization for the different age groups were also analyzed. <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05 was used as the threshold for statistical significance.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The amount of MSP of group I [(3.75\u2009\u00b1\u20093.77) mm] was significantly higher than that of group II [(2.30\u2009\u00b1\u20094.48) mm] and group III [(2.09\u2009\u00b1\u20094.70) mm], but there was no significant difference between group II and group III. We also found that the amount decreased gradually with increasing age (r<jats:sub>s<\/jats:sub>\u2009=\u2009\u2212\u20090.2), with the youth group showing a higher prevalence of extensive pneumatization (youth vs. middle-age vs. elderly: 66.44% vs. 36.81% vs. 22.28%, respectively). There was no statistically significant difference in the amount of MSP between males and females and between left and right maxillary sinus in each group (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The amount of MSP was significantly higher in the 18\u201334\u00a0years old group compared to older age groups, showed a decreasing trend with age and was not associated with sex and maxillary sinus sides.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12903-022-02445-2","type":"journal-article","created":{"date-parts":[[2022,9,11]],"date-time":"2022-09-11T04:02:21Z","timestamp":1662868941000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Cone-beam computed tomography-based analysis of maxillary sinus pneumatization extended into the alveolar process in different age groups"],"prefix":"10.1186","volume":"22","author":[{"given":"Xingsheng","family":"Wu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiudong","family":"Cai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Di","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peiwen","family":"Xiong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lianshui","family":"Shi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2022,9,11]]},"reference":[{"key":"2445_CR1","doi-asserted-by":"publisher","first-page":"282","DOI":"10.2174\/1874210601509010282","volume":"9","author":"G Gocmen","year":"2015","unstructured":"Gocmen G, Borahan MO, Aktop S, Dumlu A, Pekiner FN, Goker K. 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All patients signed informed consent.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"393"}}