@article{article9fdf396e,
title   = {Wear and superficial roughness of glass ionomer cements used as sealants, after simulated toothbrushing},
author = {Rios, Daniela and Honório, Heitor Marques and Araújo, Paulo Amarante de and Machado, Maria Aparecida de Andrade Moreira},
year = {2002},
doi = {10.1590/s1517-74912002000400011},
journal   = {Pesquisa Odontológica Brasileira}
}