Bond Strength of Reinforced Autopolymerized Acrylic Resin to Denture Base Resin

Figure 4

(a) Image under stereo microscope at 20× magnification showing a mixed failure at bonding interface between rapid heat-cured acrylic resin and reinforced autopolymerized acrylic resin. Representative photographic images of (b) adhesive failure and (c, d) mixed failure. Green arrow: adhesive failure. Gray arrow: cohesive failure of rapid heat-cured acrylic resin. Blue arrow: cohesive failure of reinforced autopolymerized acrylic resin.

(a)

(b)

(c)

(d)