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The cortical thickness was measured with a ruler adjusting for the magnification factor. The odds ratio (OR) for fracture when having a severely eroded cortex or a cortex thickness\u2009&lt;\u20093\u00a0mm was calculated.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A normal cortex was found in 65% of men, whereas only 7% had a severely eroded cortex. The OR for\u00a0severely eroded cortex\u00a0 as fracture risk predictor was significant (2.32; 95% CI 1.3\u20134.2), also when the female group was evaluated separately. A significant difference was found between the mean thickness for men (3.96\u00a0mm) and women (2.92\u00a0mm), respectively. The OR for cortical thickness\u00a0&lt; 3 mm was significant (2.00; 95% CI 1.1\u20133.6) in the total group, but not when men and women were evaluated separately.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Among old women, the cortical parameters were significantly associated with prevalent fracture. In old men, other circumstances may be more important.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12903-021-01829-0","type":"journal-article","created":{"date-parts":[[2021,9,24]],"date-time":"2021-09-24T09:46:09Z","timestamp":1632476769000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Mandibular cortical bone structure as risk indicator in fractured and non-fractured 80-year-old men and women"],"prefix":"10.1186","volume":"21","author":[{"given":"Grethe","family":"Jonasson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Azar","family":"Hassani-Nejad","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Magnus","family":"Hakeberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,9,24]]},"reference":[{"key":"1829_CR1","doi-asserted-by":"publisher","first-page":"410","DOI":"10.1196\/annals.1346.038","volume":"1068","author":"HK Genant","year":"2006","unstructured":"Genant HK, Jiang Y. 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