Three-Point Bending Tests of Zirconia Core/Veneer Ceramics for Dental Restorations

Table 3

Failure mechanism of two-layered zirconia-veneer specimens.

Veneer type	Failure mechanism*
Lava Ceram	F and S
Ceramco PFZ	F
Vita VM9	F and S
Triceram	F and S
Zirox	S and D
GC Initial ZR	F and S
IPS e.max	D
Sakura Interaction	F

∗F: simultaneous failure, S: serrated fracture, and D: complete delamination.