Effects of Bleaching Associated with Er:YAG and Nd:YAG Laser on Enamel Structure and Bacterial Biofilm Formation

Figure 3

Confocal laser scanning microscope (CLSM) images showing the structure of biofilms on enamel surfaces (63×). (a) Control; (b) Opalescence Boost only; (c) Opalescence Boost with Er:YAG laser; (d) Opalescence Boost with Nd:YAG laser.