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Abu Arqub S, Al-Moghrabi D, Tsichlaki A, Sanders D, Uribe F. The dark side of fixed retainers: Case series. Am J Orthod Dentofacial Orthop 2023; 164:e72-e88. [PMID: 37452794 DOI: 10.1016/j.ajodo.2023.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 06/01/2023] [Accepted: 06/01/2023] [Indexed: 07/18/2023]
Abstract
This article focuses on on the presentation and management 9 adult patients who experienced complications because of their maxillary or mandibular fixed retainers 5-33 years after orthodontic treatment. Such complications include the development of an anterior crossbite, open bite, incisal cant, and twist- and x-effects. The detrimental effects on periodontal health were highlighted, especially in the mandibular canines. A range of fixed retainer types was identified, including flexible spiral wire bonded to 4 maxillary or 6 mandibular anterior teeth, rigid wire bonded to mandibular canines only and fiber-reinforced composite fixed retainer. Orthodontic retreatment was necessary in all patients using fixed appliances or clear aligners. Radiographic findings from cone-beam computed tomography or orthopantomogram before and after retreatment are presented when available. Despite the improvement of teeth position clinically, the cone-beam computed tomography scans taken directly after the completion of orthodontic retreatment did not show notable improvement with regards to root proximity to the cortical plates. The prevention of further complications was highlighted, including the use of dual retention, remote monitoring, frequent follow-up appointments and the importance of developing clear guidelines for monitoring patients in retention for treating clinicians and general dentists to promote early detection of adverse changes.
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Affiliation(s)
- Sarah Abu Arqub
- Department of Orthodontics, College of Dentistry, University of Florida, Gainesville, Fla.
| | - Dalya Al-Moghrabi
- Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | | | | | - Flavio Uribe
- Division of Orthodontics, Department of Craniofacial Sciences, University of Connecticut Health, Farmington, Conn
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Gambardela-Tkacz CM, Alcaraz G, Cotrin P, de Freitas KMS, Moura W, Janson G, Garib D, de Freitas MR. Incisor irregularity and dental arch dimensions changes in subjects with different severity of anterior crowding: a 37-year follow-up. Prog Orthod 2023; 24:10. [PMID: 36935470 PMCID: PMC10025172 DOI: 10.1186/s40510-023-00461-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/20/2023] [Indexed: 03/21/2023] Open
Abstract
BACKGROUND Occlusal stability is one of the goals of orthodontic treatment, and keeping teeth aligned in the long term is a challenge for the orthodontist. This study aimed to compare the long-term incisors irregularity and dental arches dimensions changes in subjects treated with 4 premolar extractions with different pretreatment Little's irregularity index (LII). The knowledge of long-term outcomes is evidence-based information for the prognosis of future treatments. METHODS In total, 41 treated subjects were divided into two groups according to mandibular Little irregularity value at pretreatment (mild or severe). The maxillary and mandibular LII, transversal, and longitudinal widths were assessed at pretreatment, posttreatment, and 37-year posttreatment. Chi-square and independent t tests were used for intergroup comparison. RESULTS The groups presented similar behavior for all stages of maxillary and mandibular arch dimensions changes. Maxillary irregularity was corrected in both groups after treatment, and the alignment was acceptable in the long term. In the mild group, the mandibular incisor irregularity returned to pretreatment values in the long term. The mandibular LII increased in the severe group but did not return to pretreatment values in the long term. CONCLUSIONS The mild crowding group presented proportionally more relapse of mandibular incisor irregularity than the severe crowding group in the long term. Even so, the correction of mild and severe crowding with the extraction of 4 premolars showed satisfactory results in the long term, even with the presence of maturational changes and relapse.
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Affiliation(s)
- Caroline Martins Gambardela-Tkacz
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil
| | - Gabriela Alcaraz
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil.
| | - Paula Cotrin
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil
| | | | - Willana Moura
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil
| | - Guilherme Janson
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil
| | - Daniela Garib
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil
| | - Marcos Roberto de Freitas
- Department of Orthodontics, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla 9-75, Bauru, SP, 17012-901, Brazil
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Meade MJ, Dreyer CW. A Content Analysis of Orthodontic Treatment Information Contained within the Websites of General Dental Practices. JOURNAL OF CONSUMER HEALTH ON THE INTERNET 2022. [DOI: 10.1080/15398285.2022.2124494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Maurice J. Meade
- Orthodontic Unit, Adelaide Dental School, The University of Adelaide, Adelaide, Australia
| | - Craig W. Dreyer
- Orthodontic Unit, Adelaide Dental School, The University of Adelaide, Adelaide, Australia
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Cornelis MA, Egli F, Bovali E, Kiliaridis S, Cattaneo PM. Indirect vs direct bonding of mandibular fixed retainers in orthodontic patients: Comparison of retainer failures and posttreatment stability. A 5-year follow-up of a single-center randomized controlled trial. Am J Orthod Dentofacial Orthop 2022; 162:152-161.e1. [PMID: 35551840 DOI: 10.1016/j.ajodo.2022.03.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 11/01/2022]
Abstract
INTRODUCTION This 2-arm parallel trial aimed to assess the number of failures of mandibular fixed retainers bonded with direct and indirect bonding methods at a 5-year follow-up and investigate the stability of intercanine and interpremolar distances. METHODS Consecutive patients from the clinic of the University of Geneva (Switzerland) were randomly allocated to either direct or indirect bonding of a mandibular fixed retainer at the end of orthodontic treatment. Inclusion criteria included the presence of all mandibular incisors and canines; and the absence of active caries, restorations, fractures, or periodontal disease of these teeth. The patients were randomized in blocks of 4 using an online randomization service, with allocation concealment secured by contacting the sequence generator for assignment. Two and 5 years (T5) after bonding the retainers, the patients were recalled, and impressions were taken. The primary outcome was the 5-year survival of the mandibular fixed retainer bonded with both bonding methods. The secondary outcomes were the intercanine and interpremolar distances and the assessment of unexpected posttreatment changes (ie, changes in torque and/or rotations of the mandibular incisors and canines). Blinding was applicable for outcome assessment only. Kaplan-Meier curves were generated, and a Cox proportional hazard regression model was fitted for bonding type, age, and treatment. Linear mixed models were fitted to intercanine and interpremolar distances: bonding type, time, age, and treatment were modeled as outcomes. RESULTS Sixty-four patients were randomized in a 1:1 ratio. At T5, 6 patients without previous failure were lost to follow-up from each group. At T5, the fixed retainer was debonded in 14 patients (54%) for each group. The hazard ratio of indirect bonding to direct bonding was 1.09 (95% confidence interval, 0.26-4.60; P = 0.91); there was no statistically significant difference in survival between the groups. Regarding intercanine and interpremolar distances, none of the tested prognostic factors reached statistical significance. Unexpected posttreatment changes were observed in 6 failure-free patients, all bonded with the direct bonding method. Only 1 patient required debonding of the fixed retainer. No other serious harms were observed. CONCLUSIONS The 5-year survival rate for both direct and indirect bonding methods was 46%, without a statistically significant difference between bonding methods. Bonded retainers were effective in maintaining intercanine and interpremolar distances. Unexpected posttreatment changes were only observed with retainers bonded with the direct bonding method. REGISTRATION The trial was not registered. PROTOCOL The protocol was not published before trial commencement. FUNDING No funding or conflict of interest to be declared.
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Affiliation(s)
- Marie A Cornelis
- Melbourne Dental School, Faculty of Medicine, Dentistry, and Health Sciences, University of Melbourne, Melbourne, Australia.
| | - Fabienne Egli
- Division of Orthodontics, School of Dentistry, University of Geneva, Geneva, Switzerland
| | | | - Stavros Kiliaridis
- Division of Orthodontics, School of Dentistry, University of Geneva, Geneva, Switzerland
| | - Paolo M Cattaneo
- Melbourne Dental School, Faculty of Medicine, Dentistry, and Health Sciences, University of Melbourne, Melbourne, Australia
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Charavet C, Vives F, Aroca S, Dridi SM. “Wire Syndrome” Following Bonded Orthodontic Retainers: A Systematic Review of the Literature. Healthcare (Basel) 2022; 10:healthcare10020379. [PMID: 35206992 PMCID: PMC8871980 DOI: 10.3390/healthcare10020379] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/09/2022] [Accepted: 02/15/2022] [Indexed: 01/27/2023] Open
Abstract
(1) Background and objective: Tooth movements described as unexplained, aberrant, unexpected, unwanted, or undesirable can occur in the presence of an intact orthodontic retention wire, without detachment or fracture. This iatrogenic phenomenon, known little or not by many practitioners, responsible for significant dental and periodontal complications, both functional and aesthetic, is called “Wire Syndrome” (WS). It is therefore considered an undesirable event of bonded orthodontic retainers, which must be differentiated from an orthodontic relapse. The objective was to perform, for the first time, a systematic review of the literature in order to define the prevalence of WS and to study its associated clinical characteristics. (2) Methods: A systematic review of the literature was performed following the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and recommendations using an electronic search strategy on four databases complemented by a manual search. All the prospective and retrospective clinical studies, including case reports and series, written in English or French, clearly mentioning the description, detection, or management of WS were included. Three independent blinding review authors were involved in study selection, data extraction, and bias assessment using the Mixed Methods Appraisal Tool (MMAT). (3) Results: Of 1891 results, 20 articles published between 2007 and 2021 fulfilled the inclusion criteria, with a globally high risk of bias since 16 articles were case report/series. The analysis of each article allowed the highlighting of WS through 13 categories, as follows: prevalence, apparition delay, patient characteristics, arch and tooth involved, families of movements, dental and periodontal consequences, type of wire, risk factors, etiologies, treatment, and preventive approach. (4) Conclusion: This systematic review of the literature elaborated a synthesis on WS, allowing general practitioners, periodontists, and orthodontists to understand this adverse event, to facilitate the diagnostic approach, and to underline preventive measures against WS. This review was registered in the International Prospective Register of Systematic Reviews (PROSPERO; number CRD42021269297).
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Affiliation(s)
- Carole Charavet
- Université Côte d’Azur, Faculté de Chirurgie Dentaire, Département d’Orthodontie, 06000 Nice, France;
- Centre Hospitalier Universitaire (CHU) de Nice, Pôle Odontologie, UEC Orthodontie, 06000 Nice, France
- Laboratoire MICORALIS UPR 7354, Université Côte d’Azur, 06000 Nice, France;
- Correspondence: or
| | - France Vives
- Université Côte d’Azur, Faculté de Chirurgie Dentaire, Département d’Orthodontie, 06000 Nice, France;
- Centre Hospitalier Universitaire (CHU) de Nice, Pôle Odontologie, UEC Orthodontie, 06000 Nice, France
| | - Sofia Aroca
- Pratique Privée, 75116 Paris, France;
- University of Bern, Department of Periodontology, 3012 Bern, Switzerland
| | - Sophie-Myriam Dridi
- Laboratoire MICORALIS UPR 7354, Université Côte d’Azur, 06000 Nice, France;
- Université Côte d’Azur, Faculté de Chirurgie Dentaire, Département de Parodontologie, 06000 Nice, France
- Centre Hospitalier Universitaire (CHU) de Nice, Pôle Odontologie, UEC Parodontologie, 06000 Nice, France
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