{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T14:47:45Z","timestamp":1792248465145,"version":"4.4.0"},"reference-count":20,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,12,13]],"date-time":"2018-12-13T00:00:00Z","timestamp":1544659200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthod Craniofacial Res"],"published-print":{"date-parts":[[2019,2]]},"abstract":"<jats:title>Structured Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>To evaluate the amount of external apical root resorption (<jats:styled-content style=\"fixed-case\">EARR<\/jats:styled-content>) secondary to orthodontic treatment in patients with Short Root Anomaly (<jats:styled-content style=\"fixed-case\">SRA<\/jats:styled-content>) compared to patients with average root lengths using Cone Beam Computed Tomography (<jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Settings and Sample Population<\/jats:title><jats:p>Cone beam computed tomography scans of 23 <jats:styled-content style=\"fixed-case\">SRA<\/jats:styled-content> and 26 control patients were selected from 232 pretreatment scans from a single private practice.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Cone beam computed tomography scans before (T1) and after orthodontic treatment (T2) were evaluated for differences in the change in tooth and root length of the maxillary incisors between both groups. Gender, treatment duration and age were examined as covariates.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean values for root and tooth length of the maxillary incisors decreased by a range of 0.6 to 1.3\u00a0mm after orthodontic treatment. There was no significant difference between the groups for the majority of the measurements although there was a trend for less <jats:styled-content style=\"fixed-case\">EARR<\/jats:styled-content> in the <jats:styled-content style=\"fixed-case\">SRA<\/jats:styled-content> group. The maxillary left central incisor had significantly less proportional and non\u2010proportional loss in tooth length in the <jats:styled-content style=\"fixed-case\">SRA<\/jats:styled-content> group. Age, gender and treatment duration were not associated with change in the proportional and non\u2010proportional lengths for both groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Patients with <jats:styled-content style=\"fixed-case\">SRA<\/jats:styled-content> did not exhibit a significant difference in the proportional and non\u2010proportional change of length after orthodontic treatment when compared to the controls for most measurements. Only tooth length for the maxillary left central incisor had significantly less reduction after orthodontic treatment for both the proportional and non\u2010proportional measurements in the <jats:styled-content style=\"fixed-case\">SRA<\/jats:styled-content> group compared to the control group.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12254","type":"journal-article","created":{"date-parts":[[2018,11,19]],"date-time":"2018-11-19T14:43:29Z","timestamp":1542638609000},"page":"32-37","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Is Short Root Anomaly (<scp>SRA<\/scp>) a risk factor for increased external apical root resorption in orthodontic patients? A retrospective case control study using cone beam computerized tomography"],"prefix":"10.1111","volume":"22","author":[{"given":"Alice","family":"Cutrera","sequence":"first","affiliation":[{"name":"Department of Orthodontics University of Catania (UNICT)  Catania Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8199-6206","authenticated-orcid":false,"given":"Veerasathpurush","family":"Allareddy","sequence":"additional","affiliation":[{"name":"Department of Orthodontics Brodie Craniofacial Endowed Chair College of Dentistry University of Illinois at Chicago  Chicago Illinois"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Niloufar","family":"Azami","sequence":"additional","affiliation":[{"name":"Division of Orthodontics Department of Craniofacial Sciences University of Connecticut School of Dental Medicine  Farmington Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ravindra","family":"Nanda","sequence":"additional","affiliation":[{"name":"Division of Orthodontics Department of Craniofacial Sciences University of Connecticut School of Dental Medicine  Farmington Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6196-7707","authenticated-orcid":false,"given":"Flavio","family":"Uribe","sequence":"additional","affiliation":[{"name":"Division of Orthodontics Department of Craniofacial Sciences University of Connecticut School of Dental Medicine  Farmington Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,12,13]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"85","article-title":"Short root anomaly","volume":"80","author":"Lind V","year":"1972","journal-title":"Scand J Dent Res"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/ocr.12073"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.0909-8836.1999.eos107204.x"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/25.4.365"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.4807358"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.2334\/josnusd1959.9.67"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1590\/S2176-94512013000600012"},{"key":"e_1_2_7_9_1","first-page":"335","article-title":"Variation in root length of the permanent maxillary central incisor","volume":"81","author":"Jakobsson R","year":"1973","journal-title":"Scand J Dent Res"},{"key":"e_1_2_7_10_1","first-page":"279","article-title":"Targeted mechanics for treatment of patients with severe short\u2010root anomaly","volume":"51","author":"Dutra EH","year":"2017","journal-title":"J Clin Orthod"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.4103\/ams.ams_128_16"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2008.08.037"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/ejo\/26.5.491"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.4041\/kjod.2017.47.1.39"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.2319\/072909-427.1"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.2319\/061311-390.1"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1080\/000163502753472014"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0889-5406(99)70217-9"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1080\/00016357.2017.1294260"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2015.09.020"},{"key":"e_1_2_7_21_1","doi-asserted-by":"crossref","DOI":"10.1007\/978-3-319-26609-1","article-title":"Biology of orthodontic tooth movement: current concepts and applications in orthodontic practice","author":"Shroff B","year":"2016","journal-title":"Biology of Orthodontic Tooth Movement"}],"container-title":["Orthodontics &amp; 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