Hydrogen Peroxide Release Kinetics of Four Tooth Whitening Products-In Vitro Study

Overview

Journal Materials (Basel)

Publisher MDPI

Date 2021 Dec 24

PMID 34947191

Citations 4

Authors

Susana Dias

Antonio Mata

Joao Silveira

Ruben Pereira

Angelo Putignano

Giovanna Orsini

Riccardo Monterubbianesi

Duarte Marques

Affiliations

Soon will be listed here.

Abstract

Tooth whitening efficacy can be influenced by several factors, of which concentration and application time are two of the most important. This in vitro study aimed to evaluate the initial content and release kinetics of the hydrogen peroxide (HP) content, or the carbamide peroxide (CP) content as converted to its HP equivalent, of four tooth whitening products with different concentrations (6% HP, 16% CP, 10% CP, and 5% CP). Titrations with Cerium Sulphate IV were performed to determine HP concentration. HP release kinetics were evaluated by a spectrophotometric technique. The results were expressed as the mean values and 95% confidence interval of the percentage of hydrogen peroxide content during release kinetics. One sample -test, one-way ANOVA, Tukey post hoc testing, and Pearson correlation testing were used, as appropriate, with a significance level of α = 0.05. The concentration of titrated HP was higher than that indicated by the manufacturers in all tested products ( < 0.01). At the minimum application times indicated by the manufacturers, all products released at least 85% of HP content; the gel containing 10% CP registered the lowest release at 85.49 (81.52-89.46). There was a significant HP release in all products during the application times indicated by the manufacturers. Further studies are needed to assess in vitro release kinetics.

Citing Articles

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New Insights Regarding the Use of Relevant Synthetic Compounds in Dentistry.

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Can carbamide peroxide be as effective as hydrogen peroxide for in-office tooth bleaching and cause less sensitivity? A systematic review.

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PMID: 38841380 PMC: 11148405. DOI: 10.5395/rde.2024.49.e14.

Hydrogen Peroxide Diffusion through Dental Tissues-In Vitro Study.

Dias S, Casqueiro L, Pereira R, Silveira J, Mata A, Marques D Materials (Basel). 2023; 16(16).

PMID: 37629843 PMC: 10456627. DOI: 10.3390/ma16165552.

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