TI - Evaluation the surface roughness with two types of glass ionomer cement PY - 1995 AU - Machado, Maria Aparecida de Andrade Moreira AU - Abdo, Ruy Cesar Camargo AU - Franco, E B AU - Silva, S T2 - Annual Meeting of the Brazilian Society for Dental Research J2 - Journal of Dental Research VL - 74 IS - 3 SP - 801 ER -