Shear strength of the bond to primary dentin: influence of Er:YAG laser irradiation distance - Scatena, Camila; Torres, Carolina Paes; Gomes-Silva, Jaciara Miranda; Contente, Marta Maria M. G.; Pécora, Jesus Djalma; Palma Dibb, Regina Guenka; Borsatto, Maria Cristina (Lasers in Medical Science, 2011)