Calcium Silicate-Based Cements Associated with Micro- and Nanoparticle Radiopacifiers: Physicochemical Properties and Bioactivity

Figure 3

Secondary electron micrographs of (a) CSCM + ZrO₂ nano, (b) CSCR + ZrO₂ nano, (c) CSCM + Nb₂O₅ micro, (d) CSCR + Nb₂O₅ nano, (e) CSCM, and (f) CSCR, and energy dispersive X-ray spectrometry analysis of (g) CSCM and (h) CSCR after the materials were immersed in a standard phosphate buffered saline solution for 30 days.

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