Evaluation of Caries-Free Restorations Bonded with Various Adhesive Systems: In Vitro Study

Figure 7

SEM micrograph of Clearfil Protect Bond-restored resin composite after chemical challenge, demonstrating the thin and degraded interfacial layer (arrowed) in the enamel (a) and dentin (b) (original × 2,000,  = modified enamel,  = modified dentin, and R = resin).

(a)

(b)