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

Figure 3

Dye penetration into leakage at the tooth-resin interface (arrowed) after artificial caries exposure: (a) All-Bond 2, (b) Clearfil Protect Bond, and (c) non-adhesive amalgam, a positive control (original × 50,  = enamel,  = amalgam,  = dentin,  = resin-composite, and a white line = dye penetration into the adjacent cementum/dentin).

(a)

(b)

(c)