Effect of Load Cycling on the Fracture Strength/Mode of Teeth Restored with FRC Posts or a FRC Liner and a Resin Composite

Figure 4

Fractured specimens of group A: (a) fracture of the post-retained restoration along with root fracture (arrows) and completely exposed post; (b) cleaved lingual wall (arrow) distal to the post; (c) fracture of buccal tooth wall, along with fracture and debonding of the restoration; (d) cleavage of the buccal wall through the middle level.

(a)

(b)

(c)

(d)