The Effect of Gastric Acid on the Surface Properties of Different Universal Composites: A SEM Study

Figure 2

Scanning electron microscopy (SEM) photomicrographs of the universal shaded composites (10000x). Neo Spectra (first line), A’CHORD (second line), and Nova Comp C (third line). (a, d, g) Initial; (b, e, h) 7^th day gastric acid immersion; and (c, f, i) 14^th day gastric acid immersion.