{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T17:45:02Z","timestamp":1793036702614,"version":"4.5.0"},"reference-count":28,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2017,7,7]],"date-time":"2017-07-07T00:00:00Z","timestamp":1499385600000},"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":[[2017,8]]},"abstract":"Abstract<\/jats:title>Background\/Aim<\/jats:title>Traumatic dental injuries (TDI<\/jats:styled-content>) in the primary dentition occur frequently. Long\u2010term complications may potentially cause damage to the permanent successor. The aim of this study was to report the risk of pulp necrosis (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 extrusion or lateral luxation and to identify risk factors for PN<\/jats:styled-content> and PTL<\/jats:styled-content>.<\/jats:p><\/jats:sec>Material and Methods<\/jats:title>This was a retrospective study of 24 patients with 26 extruded primary teeth and 242 patients with 331 primary teeth with lateral luxation. Laterally luxated teeth were left without treatment. Extruded teeth were repositioned. Follow up included examination after 4\u00a0weeks, 8\u00a0weeks, 6\u00a0months, 1\u00a0year and when the patients were 6\u00a0years old. The minimum follow up was 1\u00a0year or until tooth loss. Kaplan\u2010Meier and Aahlen\u2010Johansson tests were used along with Cox regression analysis. The level of significance was 5%.<\/jats:p><\/jats:sec>Results<\/jats:title>Risk estimated after 3\u00a0years\u2014Extrusion: PCO<\/jats:styled-content> 39.8% (95% CI<\/jats:styled-content>: NA<\/jats:styled-content>), PN<\/jats:styled-content> 15.6% (95% CI<\/jats:styled-content>: 1.5\u201029.7), IRR<\/jats:styled-content> 3.8% (95% CI<\/jats:styled-content>: 0\u201011.2) and PTL<\/jats:styled-content> 43.3% (95% CI<\/jats:styled-content>: 25.5\u201061.2). All cases of PN<\/jats:styled-content> and PTL<\/jats:styled-content> occurred within the first year. Lateral luxation: PCO<\/jats:styled-content> 41.3% (CI<\/jats:styled-content>: 95% 35.7\u201046.9), PN<\/jats:styled-content> 19.8% CI<\/jats:styled-content>: 95% (15.3\u201024.2), IRR<\/jats:styled-content> 7.0% (95% CI<\/jats:styled-content>: 4.1\u20109.8), ARR<\/jats:styled-content> 1.4% (95% CI<\/jats:styled-content>: 0\u20103.3) and PTL<\/jats:styled-content> 24.8% (95% CI<\/jats:styled-content>: 18.8\u201030.8). Risk factors for PN<\/jats:styled-content>: concomitant crown fracture and patient aged 4\u00a0years or more. Nearly all teeth (95%) realigned spontaneously within the first year. Nearly all cases of PN<\/jats:styled-content> and PTL<\/jats:styled-content> (95.7%) occurred within the first year.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>The healing potential for laterally luxated teeth was high and more than half of the extruded teeth, which were repositioned after injury, showed long\u2010term survival.<\/jats:p><\/jats:sec>","DOI":"10.1111\/edt.12340","type":"journal-article","created":{"date-parts":[[2017,3,28]],"date-time":"2017-03-28T07:19:59Z","timestamp":1490685599000},"page":"307-316","source":"Crossref","is-referenced-by-count":21,"title":["The risk of healing complications in primary teeth with extrusive or lateral luxation\u2014A 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":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Blanche","sequence":"additional","affiliation":[{"name":"Department of Public Health University of Copenhagen Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nadia","family":"Yousaf","sequence":"additional","affiliation":[{"name":"School of Oral health Care University of Copenhagen Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"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":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,7,7]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0300-9785(72)80042-5"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2008.00696.x"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-9657.2002.00030.x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2005.00362.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1590\/S1806-83242011000200009"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.2012.01146.x"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.14219\/jada.archive.1984.0328"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0300-9785(74)80022-0"},{"key":"e_1_2_8_10_1","first-page":"501","article-title":"Injury to the teeth of succession by abscess of the temporary teeth","volume":"34","author":"McCormick J","year":"1967","journal-title":"J Dent Child"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.4803488"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-9657.1998.tb00806.x"},{"key":"e_1_2_8_13_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_14_1","first-page":"1","article-title":"The risk of healing complications in primary teeth with concussion or subluxation injury","volume":"00","author":"Lauridsen E","year":"2017","journal-title":"Dent Traumatol"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0528.1974.tb01669.x"},{"key":"e_1_2_8_16_1","first-page":"103","article-title":"The formation and the alveolar and clinical eruption of the permanent teeth: an orthopantomographic study","volume":"66","author":"Haavikko K","year":"1970","journal-title":"Proc Finn Dent Soc"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/9780470744116.ch15"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1177\/00220345010800111301"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/sim.6282"},{"key":"e_1_2_8_20_1","volume-title":"R: A language and environment for statistical computing. 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