The effect of toothpastes with bleaching agents on the force decay of elastomeric orthodontic chains

Mohammad Behnaz; Kazem Dalaie; Sepanta Hosseinpour; Fatemeh Namvar; Leila Kazemi

doi:10.4103/ejd.ejd_83_17

European Journal of Dentistry, Table of Contents

CC BY-NC-ND 4.0 · Eur J Dent 2017; 11(04): 427-431
DOI: 10.4103/ejd.ejd_83_17

Original Article

Dental Investigation Society

The effect of toothpastes with bleaching agents on the force decay of elastomeric orthodontic chains

Authors

Mohammad Behnaz

¹Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Kazem Dalaie

²Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Sepanta Hosseinpour

³DDS, MPH, Research Fellow, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Fatemeh Namvar

²Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Leila Kazemi

⁴Dentist, Tehran, Iran

Abstract

ABSTRACT

Objective: The aim of this study was to evaluate the effect of agents available in whitening toothpastes (Crest^® and Sensodyne^®) in vitro on the force decay of elastomeric chains used in orthodontics. Materials and Methods: A total of 300 specimens of elastomeric chains were divided into five groups (n = 60) and were evaluated. These groups included (1) the regular Crest® toothpaste and distilled water solution, (2) whitening Crest^® toothpaste and distilled water solution, (3) regular Sensodyne^® toothpaste and distilled water solution, (4) whitening Sensodyne^® toothpaste and distilled water solution, and (5) distilled water as a control group. The samples' force was measured using Instron at intervals of 0, 1, 7, 14, 21, and 28 days. Data were analyzed by SPSS software. Results: At the initial time point, the difference in the force values of elastomeric chain between any of the groups was not significant (P > 0.05). On the 1^st day, there was a significant difference (P < 0.05) between all groups except the groups of whitening Crest^®, regular, and whitening Sensodyne^® (P > 0.05). On days 7, 14, and 28, the rate of decline for all groups was statistically significant (P < 0.05). Conclusions: According to the results obtained in the present study, it seems that toothpastes without whitening agents have less effect on force decay of elastomeric chain over time.

Key words:

Crest^® - elastomeric chain - Sensodyne^® - tooth paste - whitening agent

Full Text

References

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