Effectiveness of Nanohydroxyapatite on Demineralization of Enamel and Cementum Surrounding Margin of Yttria-Stabilized Zirconia Polycrystalline Ceramic Restoration

Figure 4

Scanning electron microscopy (SEM) of enamel (a, c, e, g, i, k) and cementum (b, d, f, h, j, l) before material application (a, b), after surface applied with NHA (c, d), and Clinpro (e, f) and after demineralization of nontreated surface (g, h), NHA treated surface (i, j), and Clinpro treated surface (k, l).

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