SEM analysis and push-out bond strength of fiberglass posts luted with different cements of glass-ionomer in humid environment: pilot test - Pereira, Jefferson Ricardo; Vidotti, Hugo Alberto; Valle, Accácio Lins do; Pamato, Saulo; Ghizoni, Janaina Salomon; Honório, Heitor Marques; Lorenzoni, Fábio César (Journal of Research in Dentistry, 2013)