{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T03:18:23Z","timestamp":1740107903050,"version":"3.37.3"},"reference-count":25,"publisher":"Springer Science and Business Media LLC","issue":"10","license":[{"start":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T00:00:00Z","timestamp":1727654400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T00:00:00Z","timestamp":1727654400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/100007797","name":"University of Helsinki","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100007797","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Oral Invest"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Objectives<\/jats:title>\n                <jats:p>The aim was to identify radiographic characteristics of mandibular third molars in young adults without symptoms or clinical signs of pericoronal infection.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and methods<\/jats:title>\n                <jats:p>An existing cross-sectional material, including records from clinical oral examination and panoramic radiographs (PANs) of university students, was submitted to retrospective analysis. The outcome variable was a symptomless and clinically pericoronitis-free mandibular third molar. Predictor variables for the third molar were clinical eruption level, pathological signs in the follicle, marginal bone level, radiographic depth in bone, inclination, stage of root development, and available space for eruption. Statistics included \u03c7<jats:sup>2<\/jats:sup> and Mann-Whitney U tests.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Analysis included 345 mandibular third molars in 189 participants (20% men, 80% women; mean age 20.7 years; SD\u2009\u00b1\u20090.6). Symptomless and clinically pericoronitis-free mandibular third molars were characterized as follows: clinically unerupted in 78% of teeth, associated with reduced marginal bone level in 70%, located deeper in the bone in 87%, mesially inclined in 73%, and stage of root development incomplete in 68% (<jats:italic>p<\/jats:italic>\u2009\u2264\u20090.001 for all).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Radiographic characteristics of symptomless mandibular third molars without clinical pericoronitis in young adults can be assessed from a PAN with 68\u201387% certainty.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Clinical relevance<\/jats:title>\n                <jats:p>These findings may prove useful when trying to exclude non-pathological mandibular third molars from diseased teeth.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00784-024-05953-3","type":"journal-article","created":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T06:02:27Z","timestamp":1727676147000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Radiographic identification of symptomless mandibular third molars without clinical pericoronitis"],"prefix":"10.1007","volume":"28","author":[{"given":"Tommi","family":"Vesala","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irja","family":"Vent\u00e4","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Johanna","family":"Sn\u00e4ll","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marja","family":"Ekholm","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,9,30]]},"reference":[{"key":"5953_CR1","unstructured":"European Commission, Directorate-General for Energy and Transport (2004) European guidelines on radiation protection in dental radiology: the safe use of radiographs in dental practice. 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Clinical and radiographic examinations in 2002 were approved by the FSHS Institutional Review Board. Findata granted permission for the secondary use of the health care data (THL\/4680\/14.02.00\/2020). Permission to use the existing material for the present study was also obtained from the FSHS. Based on the General Data Protection Regulation (GDPR) of the European Parliament concerning personal data, only results of frequencies greater than 5 are presented.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"Each subject participated voluntarily in the oral health examinations in 2002 after signing an informed consent.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"561"}}