{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T13:37:07Z","timestamp":1760189827338,"version":"3.40.5"},"reference-count":40,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,9,1]],"date-time":"2022-09-01T00:00:00Z","timestamp":1661990400000},"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":[[2023,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The objectives of the study were to evaluate the survival rates for lower lingual retainers (LLRs) and to establish a correlation between patients' treatment\u2010related factors (age, sex, malocclusion, appliance used for treatment, teeth bonded, retention protocols) to the survival of LLRs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>A total of 765 subjects [474 females and 291 males: mean age\u00a0=\u00a024.29\u2009\u00b1\u200910.67\u2009years] between 2013 and 2022 were included. A customized data collection form was utilized to gather the data from the electronic health record (EHR) of subjects. Patient\u2010related factors, crowding or spacing, deep bite or open bite and duration of treatment were extracted from patients' files. Kaplan\u2013Meier estimator was used for the survival function, whereas Cox proportional hazards regression models were used to associate risk factors with retainer survival.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>328 (42.9%) subjects had their LLRs failed, and the survival period was on average 17.37\u2009\u00b1\u200922.85\u2009months. On the other hand, the follow\u2010up period for the retainers that did not fail was on average 47.19\u2009\u00b1\u200923.66\u2009months. 192 (28.3%) subjects had segment failure (retainer detached from 3 teeth or less), while 51 (7.5%) subjects had failures in more than 3 teeth (complete). None of the evaluated clinical variables were significantly associated with LLRs failure except for the bite category (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.013) and the appliance used for treatment (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Success rate for LLRs was 57.1% over 47.19\u2009months, failure rate was 42.9% over 17.37\u2009months. The presence of deep bite and treatment with aligners were significantly associated with increased failure rate.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12608","type":"journal-article","created":{"date-parts":[[2022,8,24]],"date-time":"2022-08-24T14:27:58Z","timestamp":1661351278000},"page":"256-264","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Survival and failure rate of lower lingual bonded retainers: A\u00a0retrospective cohort evaluation"],"prefix":"10.1111","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0090-4037","authenticated-orcid":false,"given":"Sarah Abu","family":"Arqub","sequence":"first","affiliation":[{"name":"Department of Orthodontics University of Florida  Gainesville Florida USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rehana","family":"Bashir","sequence":"additional","affiliation":[{"name":"Division of Orthodontics UConn Health, School of Dental Medicine  Farmington Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaimen","family":"Obeng","sequence":"additional","affiliation":[{"name":"School of Dental Medicine UConn Health  Farmington Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lucas Da Cunha","family":"Godoy","sequence":"additional","affiliation":[{"name":"Connecticut Convergence Institute for Translation in Regenerative Engineering UConn Health  Farmington Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chia\u2010Ling","family":"Kuo","sequence":"additional","affiliation":[{"name":"Connecticut Convergence Institute for Translation in Regenerative Engineering UConn Health  Farmington Connecticut USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6682-1811","authenticated-orcid":false,"given":"Madhur","family":"Upadhyay","sequence":"additional","affiliation":[{"name":"Division 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