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Case Reports in Dentistry
Volume 2016, Article ID 6034757, 4 pages
Case Report

New Parameter for In-Office Dental Bleaching

1Department of Restorative Dentistry, Araraquara Dental School, Universidade Estadual Paulista (UNESP), 1680 Humaitá Street, 14801-903 Araraquara, SP, Brazil
2Departments of Physics & Astronomy and Chemistry, Trent Centre for Biomaterials Research, Trent University, Peterborough, ON, Canada K9J 7B8

Received 29 March 2016; Accepted 17 May 2016

Academic Editor: Michelle A. Chinelatti

Copyright © 2016 Cristina Dupim Presoto et al. 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.


Dental bleaching is considered a conservative and biologically safe treatment for discolored teeth. Despite this, one of the major undesirable effects of bleaching is dentin sensitivity which may occur during and after treatment. To address these sensitivity issues, new dental bleaching preparations with lower concentrations of hydrogen peroxide (H2O2) have recently been introduced to the market. This paper presents a clinical case report of a 20-year-old female patient admitted to the Araraquara Dental School, UNESP, Brazil. The patient underwent dental bleaching using one of the new products with reduced hydrogen peroxide concentration, Lase Peroxide Lite 6%, a 6% H2O2 gel containing titanium oxide nanoparticles doped with nitrogen (6% H2O2/N-doped TiO2).