EFFECTS ON DENTAL ENAMEL AFTER WHITENING WITH 35% HYDROGEN PEROXIDE AND TOOTH BRUSHING

Authors

  • John Alexis Domínguez U. Estadual de Ponta Grossa
  • María Alejandra Paredes Marín U. Santiago de Cali
  • Karol Andrea Gómez Ballesteros U. Santiago de Cali
  • Gustavo Adolfo Martínez Alvarado U. Santiago de Cali
  • Gustavo Hannover Alegría Acevedo U. Santiago de Cali
  • Osnara María Mongruel Gomes U. Estadual de Ponta Grossa

DOI:

https://doi.org/10.15332/us.v12i1.1114

Keywords:

Tooth Bleaching, ToothBrushing, Toothpastes, Enamel

Abstract

Objective: to evaluate the effects on surface hardness and roughness of the whitening gel 35% hydrogen peroxide with brushed back.
Methods: an experimental In vitro study was done, 40 blocks of 3 mm2 enamel of third molar teeth of the vestibular portion was smoothed with sandpaper blocks granulation from 600 to 1500, to be divided into the two methodologies, microhardness Vickers (n = 20) and Atomic force Microscopy (n = 20), and this in two groups, GC and GCC. In the GC group the whitening was done with hydrogen peroxide 35% (n = 10), in the GCC, it was performed with 35% hydrogen peroxide and brushing with toothpaste containing 1450 ppm of fluoride. ANOVA test and a post Student t test with a level of significance α=0.05, was conducted to know the differences between the groups.
Results: a statistically significant difference on the number of Vickers microhardness (NDV) in the GCC group (before: 369.4 ± 19.4 NDV, after: 392.4 ± 14.2 NDV) was found, but no statistically significant difference was observed for the surface roughness (Ra), between this two groups.
Conclusion: brushing with toothpaste containing 1450 ppm fluoride after dental bleaching process with 35% hydrogen peroxide maintained the stability of the surface hardness of the enamel.

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Author Biographies

John Alexis Domínguez, U. Estadual de Ponta Grossa

Odontólogo U. Santiago de Cali, Magíster en Odontología U. Estadual de Ponta Grossa, Candidato a Doctorando en Odontología U. Estadual de Ponta Grossa

María Alejandra Paredes Marín, U. Santiago de Cali

Estudiante X Semestre F. Odontología U. Santiago de Cali

Karol Andrea Gómez Ballesteros, U. Santiago de Cali

Estudiante X Semestre F. Odontología U. Santiago de Cali

Gustavo Adolfo Martínez Alvarado, U. Santiago de Cali

Estudiante X Semestre F. Odontología U. Santiago de Cali

Gustavo Hannover Alegría Acevedo, U. Santiago de Cali

Director Programa de Odontología, MSc en Odontología U. Santiago de Cali

Osnara María Mongruel Gomes, U. Estadual de Ponta Grossa

Doctorado en Odontología Restauradora, Directora Pos Graduación U. Estadual de Ponta Grossa

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Published

2013-01-01

How to Cite

Domínguez, J. A., Paredes Marín, M. A., Gómez Ballesteros, K. A., Martínez Alvarado, G. A., Alegría Acevedo, G. H., & Mongruel Gomes, O. M. (2013). EFFECTS ON DENTAL ENAMEL AFTER WHITENING WITH 35% HYDROGEN PEROXIDE AND TOOTH BRUSHING. Ustasalud, 12(1), 41–46. https://doi.org/10.15332/us.v12i1.1114

Issue

Vol. 12 No. 1 (2013)

Section

Scientific and technological research papers