Figure 2

SEM micrographs of a SiS ZnO treated tooth sample with increasing magnification. (a) Image taken at 43 X magnification with dashed circle highlighting region of interest. Scale bar is 100 μm. Images (b–e) are all centered on the same spot. (b) SEM micrograph at 500 X magnification. Scale bar is 10 μm. (c) SEM micrograph at 2.5 KX magnification. Scale bar is 10 μm. (d) SEM micrograph at 12 KX magnification. Scale bar is 1 μm. (e) SEM micrograph at 30 KX magnification. Scale bar is 100 nm.