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  Indian J Med Microbiol
 

Figure 4: Scanning electron microscope photomicrograph of dentin surface prepared and treated with expasyl for 5 min. Surface covered with thin smear layer. Occasional tubules are visible with intact peritubular dentin (solid arrows). Few cracks are visible (block arrows) (×1000)

Figure 4: Scanning electron microscope photomicrograph of dentin surface prepared and treated with expasyl for 5 min. Surface covered with thin smear layer. Occasional tubules are visible with intact peritubular dentin (solid arrows). Few cracks are visible (block arrows) (×1000)