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A Critical Review of Modern Concepts for Teeth Whitening

1
Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen, Universitaetsstr. 5-7, 45117 Essen, Germany
2
Dr. Kurt Wolff GmbH & Co. KG, Research Department, Johanneswerkstr. 34-36, 33611 Bielefeld, Germany
*
Authors to whom correspondence should be addressed.
Dent. J. 2019, 7(3), 79; https://doi.org/10.3390/dj7030079
Received: 6 June 2019 / Revised: 9 July 2019 / Accepted: 26 July 2019 / Published: 1 August 2019
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PDF [259 KB, uploaded 1 August 2019]

Abstract

Besides prevention of caries and periodontitis, an increasing number of oral care products focus on teeth whitening. The aim of this review is to summarize and discuss frequently used whitening agents and their efficacy from a chemical viewpoint. Therefore, a comprehensive literature survey on teeth whitening agents and products was conducted. The current whitening methods are analyzed and discussed from a chemist’s viewpoint. Frequently used whitening agents are abrasives (mechanical removal of stains), antiredeposition agents (prevention of deposition of chromophores), colorants (intended to lead to a white color), proteases (degradation of proteins), peroxides (oxidation of organic chromophores), and surfactants (removal of hydrophobic compounds from tooth surface). In-office bleaching using peroxides is effective, but side effects like tooth sensitivity or a damage of the natural organic matrix of enamel and dentin may occur. The applicability of abrasives in teeth whitening is limited due to potential tooth wear, especially when toothpastes with high RDA values are used. The effect of other whitening agents in vivo is often unclear because of a shortage of placebo-controlled clinical trials. View Full-Text
Keywords: teeth; toothpaste; whitening; peroxides; abrasives teeth; toothpaste; whitening; peroxides; abrasives
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Epple, M.; Meyer, F.; Enax, J. A Critical Review of Modern Concepts for Teeth Whitening. Dent. J. 2019, 7, 79.

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Dent. J. EISSN 2304-6767 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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