In Vitro Effect of Acidic Solutions and Sodium Fluoride on Surface Roughness of Two Types of CAD-CAM Dental Ceramics

Figure 2

Scanning electron microscope photomicrographs of Vitablocs Mark II (a) before immersion and after immersion in (b) saliva, (c) acetic acid, (d) gastric acid, (e) fluoride and acetic acid, and (f) fluoride and gastric acid 4 (500X magnification).

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