Influence of salivary contamination on marginal microleakage of pit and fissure sealants - Borsatto, Maria Cristina; Corona, Silmara Aparecida Milori; Alves, Anapaula Gomes; Chimello, Daniela Thomazati; Catirse, Alma Blasida Concepcion Elizaur B.; Palma Dibb, Regina Guenka (American Journal of Dentistry, 2004)