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

Figure 4

SEM micrograph of Super-Bond D-liner II Plus restored amalgam after chemical challenge, demonstrating the consistent and continuous thickness of the hybrid layer (≈3-4 μm, arrowed) in the enamel (a) and dentin (b) (original × 2,000,  = modified enamel,  = modified dentin, and  = resin).

(a)

(b)