Research Article

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

Figure 5

The X-ray diffraction (XRD) pattern of enamel (a) and cementum (b) before material application (a, b), after surface applied with NHA (c, d), and Clinpro (e, f) and after demineralization to a nontreated surface (g, h), NHA treated surface (i, j), and Clinpro treated surface (k, l).
(a)
(b)