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A Comparison of the Bleaching Effectiveness of Chlorine Dioxide and Hydrogen Peroxide on Dental Composite

Overview of attention for article published in Brazilian Dental Journal, December 2014
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Title
A Comparison of the Bleaching Effectiveness of Chlorine Dioxide and Hydrogen Peroxide on Dental Composite
Published in
Brazilian Dental Journal, December 2014
DOI 10.1590/0103-6440201300098
Pubmed ID
Authors

Anirudha Agnihotry, Karanjot S Gill, Deepak Singhal, Zbys Fedorowicz, Sambit Dash, Vinicius Pedrazzi

Abstract

This study was carried out to verify if composites could be bleached using chlorine dioxide as compared with hydrogen peroxide. 3M ESPE Filtek Z350 Universal Restorative discs were prepared (n=40), with dimensions 5 mm diameter x 2 mm thickness. The discs were divided into 4 groups of 10 discs each. Color assessment was performed by CIEDE2000. The discs were stained with coffee, tea, wine and distilled water (control) solutions for 14 days, 5 hours daily. Color assessment was repeated on stained discs and followed by bleaching of 5 discs from each group using chlorine dioxide and hydrogen peroxide in-office systems. Finally, a last color assessment was performed and compared statistically. DE2000 after bleaching was very close to baseline for both the bleaching agents, although chlorine dioxide showed better results than hydrogen peroxide. After staining, there was a clinically significant discoloration (∆E2000≥3.43) for the tea, coffee and wine groups, and discoloration (∆E2000) was seen more in the wine group as compared to tea and coffee. Overall, the control group (distilled water) had the least color change in the three intervals. After bleaching, the color in all specimens returned close to the baseline. The color differences between bleaching and baseline were less than 3.43 for all groups. The obtained results show that chlorine dioxide is slightly superior to hydrogen peroxide in the bleaching of composites, while maintaining the shade of the composite close to the baseline.

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Mendeley readers

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Geographical breakdown

Country Count As %
United States 1 2%
Unknown 41 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 26%
Researcher 6 14%
Professor 2 5%
Student > Postgraduate 2 5%
Student > Doctoral Student 2 5%
Other 7 17%
Unknown 12 29%
Readers by discipline Count As %
Medicine and Dentistry 21 50%
Agricultural and Biological Sciences 4 10%
Nursing and Health Professions 2 5%
Biochemistry, Genetics and Molecular Biology 1 2%
Physics and Astronomy 1 2%
Other 1 2%
Unknown 12 29%