{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T15:55:12Z","timestamp":1777478112981,"version":"3.51.4"},"reference-count":29,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2017,6,21]],"date-time":"2017-06-21T00:00:00Z","timestamp":1498003200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004954","name":"Augustinus Fonden","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004954","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008397","name":"Velux Fonden","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008397","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dental Traumatology"],"published-print":{"date-parts":[[2017,10]]},"abstract":"Abstract<\/jats:title>Background\/Aims<\/jats:title>Intrusive luxation is a frequent injury in the primary dentition. Complications such as ankylosis or pulp necrosis (PN<\/jats:styled-content>) and infection with periapical inflammation may affect the developing permanent tooth if not diagnosed and treated in time. The aim of this study was to report the risk of PN<\/jats:styled-content>, pulp canal obliteration (PCO<\/jats:styled-content>), infection\u2010related resorption (IRR<\/jats:styled-content>), ankylosis\u2010related resorption (ARR<\/jats:styled-content>) and premature tooth loss (PTL<\/jats:styled-content>) in primary teeth following intrusive luxation, and to identify possible risk factors for PN<\/jats:styled-content> and PTL<\/jats:styled-content>.<\/jats:p><\/jats:sec>Materials and method<\/jats:title>A retrospective analysis of a cohort comprising 149 patients 194 intruded primary incisors. No treatment was performed. The follow\u2010up programme included examination after 4\u00a0weeks, 8\u00a0weeks, 6\u00a0months, 1\u00a0year, and at 6\u00a0years of age. The minimum follow\u2010up period was 1\u00a0year or until time of tooth loss. Statistics: The Kaplan\u2010Meier and Aalen\u2010Johansen methods were employed along with Cox regression analysis. The level of significance was 5%.<\/jats:p><\/jats:sec>Results<\/jats:title>Risks estimated after 3\u00a0years: PCO<\/jats:styled-content> 38.9% (95% CI<\/jats:styled-content>: 31.8\u201046.0), PN<\/jats:styled-content> 24.2% (95% CI<\/jats:styled-content>: 17.7\u201030.6), IRR<\/jats:styled-content> 8.8% (95% CI<\/jats:styled-content>: 4.5\u201013.1), ARR<\/jats:styled-content> 3.6% (95% CI<\/jats:styled-content>: 1.0\u20106.2) and PTL<\/jats:styled-content> 39.4% (95% CI<\/jats:styled-content>: 31.2\u201047.5). Most teeth (83.7%) spontaneously re\u2010erupted within the first year. Most complications were diagnosed within the first year. The risk of PN<\/jats:styled-content> was lowest in patients less than 2\u00a0years of age. The degree of intrusion or a concomitant crown fracture did not affect the risk of PN<\/jats:styled-content> or PTL<\/jats:styled-content>.<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Over 80% of the intruded primary teeth re\u2010erupted spontaneously. However, nearly one\u2010third of the teeth showed complications such as pulp infection\/periapical inflammation or ankylosis, which could potentially affect the development of the permanent incisor. Therefore, patients should be monitored regularly, especially during the first year after injury, to diagnose and treat complications in time.<\/jats:p><\/jats:sec>","DOI":"10.1111\/edt.12341","type":"journal-article","created":{"date-parts":[[2017,3,28]],"date-time":"2017-03-28T07:19:48Z","timestamp":1490685588000},"page":"329-336","source":"Crossref","is-referenced-by-count":34,"title":["The risk of healing complications in primary teeth with intrusive luxation: A retrospective cohort study"],"prefix":"10.1111","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0859-7262","authenticated-orcid":false,"given":"Eva","family":"Lauridsen","sequence":"first","affiliation":[{"name":"Resource Centre for Rare Oral Diseases Department of Oral and Maxillo\u2010Facial Surgery Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"Blanche","sequence":"additional","affiliation":[{"name":"Department of Public Health University of Copenhagen Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nadia","family":"Yousaf","sequence":"additional","affiliation":[{"name":"School of Oral health Care University of Copenhagen Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jens O.","family":"Andreasen","sequence":"additional","affiliation":[{"name":"Resource Centre for Rare Oral Diseases Department of Oral and Maxillo\u2010Facial Surgery Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,6,21]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2006.00422.x"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2006.00423.x"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2011.01088.x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/edt.12072"},{"key":"e_1_2_8_6_1","first-page":"242","article-title":"Sequelae and prognosis of intruded primary incisors: a retrospective study","volume":"21","author":"Holan G","year":"1999","journal-title":"Pediatr Dent"},{"key":"e_1_2_8_7_1","first-page":"96","article-title":"Luxation injuries of primary anterior teeth \u2013 prognosis and related correlates","volume":"16","author":"Soporowski NJ","year":"1994","journal-title":"Pediatr Dent"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.1998.tb00806.x"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/edt.12147"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1590\/S1806-83242011000200009"},{"key":"e_1_2_8_11_1","first-page":"284","article-title":"The effect of traumatic injuries to primary teeth on their permanent successors II. 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