Surface Analysis and Spectrophotometric Evaluation of Different Esthetic Restorative Materials Frequently Exposed to a Desensitizing Agent

Figure 6

Representative scanning electron micrographs of the used materials: (a) nanohybrid, (b) RMGI, (c) amalgomer, and (d) bulk-fill. Images were visible at baseline (1) and after desensitizing agent application (2).

(a)

(b)

(c)

(d)