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

Figure 5

SEM micrograph of the AQ-Bond-restored resin composite after chemical challenge, demonstrating the consistent and continuous thickness of the hybrid layer (≈1-2 μm, arrowed) in the enamel (a) and dentin (b) (original × 2,000,  = modified enamel,  = modified dentin, and R = resin).

(a)

(b)