Permeability of Dental Adhesives: a SEM Assessment - Malacarne-Zanon, Juliana; Silva, Safira M. de Andrade e; Wang, Linda; Goes, Mario F. de; Martins, Adriano Luis; Narvaes-Romani, Eliene O.; Andrea Anido-Anido,; Carrilho, Marcela R. O. (European Journal of Dentistry, 2010)