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Comparing relapse after occlusion using begg and biocryl retainers Surbhi Arora Roopak D Naik Dental Update 2025 7:2, 707-709.
Authors
SurbhiArora
BDS, MDS
Consulting Orthodontist, Department of Orthodontics and Dentofacial Orthopaedics, SDM College of Dental Sciences and Hospital, Sattur, Dharwad-580 009, Karnataka, India
Professor and Head, Department of Orthodontics and Dentofacial Orthopaedics, SDM College of Dental Sciences and Hospital, Sattur, Dharwad – 580 009 Karnataka, India
Stability of the occlusion after orthodontic treatment is a major goal clinicians set for themselves at the onset of treatment. To achieve this stability, retention becomes a dynamic part of orthodontics. Therefore, this study was conducted to compare and evaluate the effectiveness of Begg (wraparound) and Biocryl retainers in the prevention of relapse. Fifty patients with an Angle's Class I bimaxillary occlusion were selected for the study and randomly divided into two retention groups: Group 1 with Begg wraparound retainers and Group 2 with Biocryl retainers. Dental records, including dental casts, OPGs and lateral cephalograms were collected at pre-treatment (T1), post-treatment (T2) and one year post-retention (T3). The results showed no statistically significant difference between the two retainers, on comparison. However, Biocryl retainers were more effective in maintaining the inclination of lower incisors with respect to NB (Nasion to point B) and lower anterior alignment. Thus, Biocryl retainers are an aesthetic alternative to Begg retainers in the prevention of relapse.
Clinical Relevance: Retention is a continuation of orthodontic treatment after removal of the fixed appliance. This study highlighted the importance of retainers in maintenance of orthodontic corrections achieved. In addition it compares two retainers and provides a clinical perspective on the ideal retainer to be used.
Article
Angle considered that orthodontic correction will always remain stable if the teeth are aligned into a normal relation and provided with adequate retention. However, most orthodontists have observed that their treatment results are susceptible to late change. Similarly, the important stage of retention still lies ahead when the orthodontic appliances are removed, which maintains the corrections achieved and holds the teeth in an ideal aesthetic and functional position.1 Current thinking is to hold the corrections achieved with a retainer because the exact cause of relapse is not known. The aetiology of post-treatment relapse is multifactorial and subject to individual variation. As a result it is impossible to guarantee absolute post-treatment stablility.2 Numerous methods of retention have been developed; these can be classified into fixed, removable, active or passive retainers.1 A number of studies have investigated the relapse tendency in the occlusion and dental relationships after orthodontic treatment. Most of these studies have been limited to short-term evaluations soon after the active orthodontic treatment has completed. Moreover, none of the studies indicated relapse tendency in all the three planes of space. Hence, there was a need to assess the relapse tendency of orthodontically treated patients within one year of retention.
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