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Retention efficacy and patient experience with customized clear retainer and wrap‐around circumferential retainer among non‐extraction orthodontic patients: A 12‐month follow‐up cohort study

Authors
 Jun-Hyeong Bae  ;  Utkarsh Mangal  ;  Jae-Hun Yu  ;  Jung-Yul Cha  ;  Hyung-Seog Yu  ;  Kee-Joon Lee  ;  Sung-Hwan Choi 
Citation
 ORTHODONTICS & CRANIOFACIAL RESEARCH, Vol.27(6) : 928-937, 2024-12 
Journal Title
ORTHODONTICS & CRANIOFACIAL RESEARCH
ISSN
 1601-6335 
Issue Date
2024-12
MeSH
Adolescent ; Adult ; Cephalometry* ; Cohort Studies ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Orthodontic Appliance Design ; Orthodontic Retainers* ; Patient Satisfaction* ; Treatment Outcome ; Young Adult
Keywords
customized clear retainer ; effectiveness ; orthodontic retainers ; randomized clinical trial ; retention ; wrap‐around retainer
Abstract
Objective: The aim of this study was to evaluate retention efficacy by assessing retention stability and patient perspectives according to type of circumferential retainer: the wrap-around circumferential retainer (WCR) and customized clear retainer (CCR).

Materials and methods: This cohort follow-up study involved 52 patients aged 18-62 who underwent fixed-appliance orthodontic treatment without extractions or orthognathic surgery. Following screening consenting participants were divided into WCR and CCR groups. All participants before follow-up received fixed retainers for the upper and lower anteriors and respective removable retainers within 2 weeks post-debond. Intraoral scans and lateral cephalograms were taken immediately after debonding (T0) and again 12 months later. Dentoalveolar changes in several measurements were compared to evaluate retention efficacy. Surveys were conducted at 1 month (T1) and 12 months (T2) post-debonding to assess changes in patient experiences. Outcome assessments were blinded. Paired T-tests and independent T-tests were used for intragroup and intergroup comparisons of dentoalveolar measurements, respectively. Survey responses were analysed using the Pearson Chi-Square test.

Results: The final assessment included 32 participants. Model analysis revealed no significant differences between the groups, except for maxillary intermolar width (p = .033). In the WCR group, the cephalometric analysis indicated a significant increase in the incisor mandibular plane angle (p = .002) and a decrease in the interincisal angle (p = .014), while changes in the CCR group were statistically non-significant. Patient attitude evaluation showed similar trends for wear time and overall satisfaction. However, a higher percentage of respondents in the WCR group reported irritation when wearing the retainers (p = .037) at T1 and discomfort related to speech (p = .038) at T2.

Conclusions: CCR showed better retention efficacy in terms of lower incisor inclination. Patients experienced relatively less irritation and speech discomfort with CCRs.
Full Text
https://onlinelibrary.wiley.com/doi/10.1111/ocr.12837
DOI
10.1111/ocr.12837
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Mangal, Utkarsh(만갈웃커시)
Yu, Hyung Seog(유형석) ORCID logo https://orcid.org/0000-0002-1275-5078
Lee, Kee Joon(이기준) ORCID logo https://orcid.org/0000-0002-0782-3128
Cha, Jung Yul(차정열)
Choi, Sung Hwan(최성환) ORCID logo https://orcid.org/0000-0002-1150-0268
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/201375
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