Influence of ER:YAG laser on microhardness of enamel adjacent to restorations submitted to cariogenic challenge in situ - Chimello, Daniela Thomazatti; Serra, Mônica Campos; Rodrigues Júnior, Antonio Luiz; Pécora, Jesus Djalma; Corona, Silmara Aparecida Milori (Photomedicine and Laser Surgery, 2008)