TY - GEN AU - Shintcovsk,Ricardo Lima AU - Knop,Luegya Amorim Henriques AU - Gandini,Luiz Gonzaga AU - Martins,Lidia Parsekian AU - Pires,Aline Segatto TI - Comparison surface characteristics and chemical composition of conventional metallic and nickel-free brackets SN - 1807-3107 PY - 2015///0511 KW - Alloys KW - chemistry KW - Analysis of Variance KW - Corrosion KW - Materials Testing KW - Metals KW - Microscopy, Electron, Scanning KW - Nickel KW - Orthodontic Brackets KW - Reference Values KW - Spectrometry, X-Ray Emission KW - Statistics, Nonparametric KW - Surface Properties N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1590/1807-3107BOR-2015.vol29.0022 ER -