@article{article415e7dff,
title   = {Effects of fluoride or nanohydroxiapatite on roughness and gloss of bleached teeth},
author = {Freitas, Ana Carolina Pedreira de and Botta, Sérgio Brossi and Teixeira, Fernanda de Sá and Salvadori, Maria Cecília Barbosa da Silveira and Garone-Netto, Narciso},
year = {2011},
doi = {10.1002/jemt.20996},
journal   = {Microscopy Research and Technique}
}