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Year : 2022  |  Volume : 14  |  Issue : 4  |  Page : 370-376

Comparative evaluation of patient satisfaction following the use of two different orthodontic removable retainers: A prospective randomized controlled trial

1 Department of Orthodontics, Saveetha Dental College, Saveetha University, Chennai, India
2 Department of Public Health Dentistry, Saveetha Dental College, Saveetha University, Chennai, India

Correspondence Address:
Dr. Ravindra K Jain
Department of Orthodontics, Saveetha Dental College, Saveetha University, Chennai
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JIOH.JIOH_17_22

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Aim: To evaluate and compare the patient level of satisfaction with vacuum-formed retainer (VFR) and Clear Bow Hawley’s retainer (CBR). Materials and Methods: This prospective randomized controlled trial included 46 subjects treated with fixed orthodontics who required retainers. The study subjects were randomly segregated into two groups using a table of random numbers. Twenty-three patients received CBRs (group 1) and 23 patients received VFRs (group 2). Following 3 months of usage of retainer, patients were given a pre-validated self-assessment questionnaire consisting of nine items and responses were recorded. Using SPSS software version 23, the data were statistically evaluated. The Shapiro–Wilk normality test followed by non-parametric χ2 test and Mann–Whitney U-test were done. Subject response between gender and age groups was correlated with Pearson’s correlation test. Results: A non-parametric data distribution was obtained (P = 0.05). The Mann–Whitney U-test showed significant differences in median values for difficulty in swallowing fluids (P = 0.039), speech (P = 0.047), appearance of the retainers (P = 0.024), and comfort (P = 0.000), and other parameters such as overall satisfaction (P = 0.544), retainer fit (P = 0.103), and oral hygiene (P = 0.162) did not show any significant differences. In terms of retainer adjustments (P = 0.06) and retainer breakage (P = 0.97), no intergroup difference was noted. Pearson’s correlation test revealed a statistically significant correlation between age and gender for domains of comfort, speech, swallowing, oral hygiene, and overall satisfaction (P < 0.05). Conclusion: This trial concludes a greater comfort and better aesthetics among subjects who used CBRs, and subjects using VFRs had better speech articulation and swallowing of fluids. Between the two retainers, there was no discernible difference in overall satisfaction.

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