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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

Mohammad Behnaz
1   Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Kazem Dalaie
2   Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Sepanta Hosseinpour
3   DDS, MPH, Research Fellow, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Fatemeh Namvar
2   Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
,
Leila Kazemi
4   Dentist, Tehran, Iran
› Author Affiliations
Further Information

Publication History

Publication Date:
01 October 2019 (online)

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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 1st 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
 

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