Research Article

Direct Tensile Strength and Characteristics of Dentin Restored with All-Ceramic, Resin-Composite, and Cast Metal Prostheses Cemented with Resin Adhesives

Figure 7

Characteristics of dentin-cement interfacial layer in Variolink II specimen demonstrating (a) the detachment at dentin side interface (arrowed) of polished specimen which was degraded (b) after HCl and NaOCl modifications.
(a)
(b)