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VOLUME 21 , ISSUE 12 ( December, 2020 ) > List of Articles

ORIGINAL RESEARCH

Impact of Fluoridated and Non-fluoridated Mouth Rinses on Frictional Resistance between Orthodontic Archwire and Bracket: A Comparative Study

Radhika Thakkar, Parthivi Singh, Mukta Nigam

Citation Information : Thakkar R, Singh P, Nigam M. Impact of Fluoridated and Non-fluoridated Mouth Rinses on Frictional Resistance between Orthodontic Archwire and Bracket: A Comparative Study. J Contemp Dent Pract 2020; 21 (12):1337-1341.

DOI: 10.5005/jp-journals-10024-2944

License: CC BY-NC 4.0

Published Online: 13-04-2021

Copyright Statement:  Copyright © 2020; The Author(s).


Abstract

Aim and objective: The present study aimed to assess the effect of fluoridated and nonfluoridated mouth rinses on resistance to friction between orthodontic bracket and archwire. Materials and methods: This study comprises 60 premolar stainless steel (SS) brackets with 0.022 inches slot size. The 0.019 × 0.025 dimensions SS archwires were cut into 5 cm long specimens. They were grouped into three main categories, group I: artificial saliva (control solution), group II: Aloe Dent mouthwash (ALO), and group III: 0.05% sodium fluoride mouthwash. The specimens from each group were either immersed in the test solution or in the control solution for 10 hours. Later, the specimens were transferred to an incubator maintained at 37°C. Post 10 hours, the specimens were immersed for 30 minutes in distilled water. A scanning electron microscope was used to study the surface morphology and a universal testing machine was used to measure the frictional resistance. Results: The distribution of normality for three study groups’ recorded data was checked using Shapiro–Wilk test. The highest frictional resistance (1.94 ± 0.02) was demonstrated by specimens immersed in 0.05% sodium fluoride mouthwash than those immersed in Aloe Dent mouthwash (1.28 ± 0.66) and artificial saliva (1.10 ± 0.32). The difference found between the groups by an analysis of covariance was statistically significant. The highest surface roughness (22.30 ± 0.12) was revealed by specimens immersed in 0.05% sodium fluoride mouthwash than those immersed in Aloe Dent mouthwash (18.28 ± 0.26) and artificial saliva (15.86 ± 0.42). A statistically significant difference between the groups was shown by an analysis of covariance. Conclusion: After considering the drawbacks of this study, we conclude that specimens immersed in Aloe Dent mouthwash demonstrated less frictional resistance and surface roughness when compared to those immersed in 0.05% sodium fluoride mouthwash. Clinical significance: During sliding mechanism, the frictional resistance between orthodontic archwire and brackets imposes problems, such as lessening the applied force and movement of tooth, and also results in anchorage loss. So, orthodontists should always take care while prescribing mouthwashes to reduce their effects on the friction.


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