{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T15:37:45Z","timestamp":1761061065084,"version":"3.38.0"},"reference-count":24,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T00:00:00Z","timestamp":1592784000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Orthod"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:sec><jats:title>Objective:<\/jats:title><jats:p> To establish the association between malocclusion severity and orthodontic case complexity as assessed by the Dental Aesthetic Index (DAI) and the American Board of Orthodontics Discrepancy Index (ABO-DI), respectively. <\/jats:p><\/jats:sec><jats:sec><jats:title>Design:<\/jats:title><jats:p> Cross-sectional study. <\/jats:p><\/jats:sec><jats:sec><jats:title>Setting:<\/jats:title><jats:p> Pre-treatment dental casts and radiographs from 500 individuals (294 women and 206 men; mean age = 26.06 \u00b1 11.58 years) were randomly selected from the orthodontics department of a private university. <\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p> Malocclusion severity was assessed using DAI and case complexity was evaluated with ABO-DI. Three previously calibrated operators performed the measurements. Spearman\u2019s correlation analysis, Mann\u2013Whitney U test, Kruskal\u2013Wallis test and a linear generalised model were used for statistical evaluation ( P &lt; 0.05 was considered significant). <\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p> Although the correlation (r = 0.45; P &lt; 0.0001) between malocclusion severity and case complexity was moderate, strong evidence of an association ( P &lt; 0.001) between dichotomised DAI and ABO-DI total scores was observed. The linear generalised model showed that for each point of increase in DAI score, the ABO-DI score increased an average of 0.3624 points ( P &lt; 0.0001). <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion:<\/jats:title><jats:p> An association between malocclusion severity and case complexity is suggested. A linear generalised model could be used to predict the complexity of the case from the malocclusion severity (DAI score). <\/jats:p><\/jats:sec>","DOI":"10.1177\/1465312520930729","type":"journal-article","created":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T08:39:28Z","timestamp":1592815168000},"page":"213-222","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Relationship between the Dental Aesthetic Index and Discrepancy Index"],"prefix":"10.1177","volume":"47","author":[{"given":"Sonia P","family":"Plaza","sequence":"first","affiliation":[{"name":"Orthodontic Postgraduate Program, Fundaci\u00f3n Universitaria CIEO-UniCIEO, Bogot\u00e1, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia M","family":"Aponte","sequence":"additional","affiliation":[{"name":"Orthodontics Postgraduate Program Resident, Fundaci\u00f3n Universitaria CIEO-UniCIEO, Bogot\u00e1, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sonia R","family":"Bejarano","sequence":"additional","affiliation":[{"name":"Orthodontics Postgraduate Program Resident, Fundaci\u00f3n Universitaria CIEO-UniCIEO, Bogot\u00e1, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"York J","family":"Mart\u00ednez","sequence":"additional","affiliation":[{"name":"Orthodontics Postgraduate Program Resident, Fundaci\u00f3n Universitaria CIEO-UniCIEO, Bogot\u00e1, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Soraya","family":"Serna","sequence":"additional","affiliation":[{"name":"Orthodontic Postgraduate Program, Fundaci\u00f3n Universitaria CIEO-UniCIEO, Bogot\u00e1, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3679-1142","authenticated-orcid":false,"given":"Diana M","family":"Barbosa-Liz","sequence":"additional","affiliation":[{"name":"Orthodontic Posgraduate Program, Faculty of Dentistry, University of Antioquia, Medellin, Colombia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2020,6,22]]},"reference":[{"doi-asserted-by":"publisher","key":"bibr1-1465312520930729","DOI":"10.5005\/jp-journals-10024-2313"},{"unstructured":"American Board of Orthodontics (2016) The ABO Discrepancy Index (DI) A Measure of Case Complexity. 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