Fig. 2

SEM images of teeth surfaces of the non-eroded (G0), eroded (G1), and treated (G2) enamel surface at magnification of 1000× (a) and 15,000× (b).
SEM images of teeth surfaces of the non-eroded (G0), eroded (G1), and treated (G2) enamel surface at magnification of 1000× (a) and 15,000× (b).