Comparison of dentin root canal permeability and morphology after irradiation with Nd:YAG, Er:YAG, and diode lasers - Oliveira, Marcella Esteves; Guglielmi, Camila A. B.; Ramalho, Karen Müller; Arana Chavez, Victor Elias; Eduardo, Carlos de Paula (Lasers in Medical Science, 2010)