Effect of Nanoclay Dispersion on the Properties of a Commercial Glass Ionomer Cement

Figure 5

Cryo-SEM micrographs of the fractured surface of GIC at various magnifications demonstrating (a) micrograph at lowest magnification (×250) showing the absence of the cracks and ((b), (c), (d)) micrographs at high magnifications (×1998 and ×3997) indicating the presence of pores, glass particles, and the matrix phase of GIC.