From: The effect of a bonding agent and thermo-mechanical cycling on the bond strength of a glass-ceramic to gold and cobalt-chromium alloys
Experimental groups (n = 64)
Failure types
Adhesive
Mixed
G1–Gold/Bonding agent
12.5 (2)
87.5 (14)
G2–Gold/ No bonding agent
25 (4)
75 (12)
G3–Co-Cr/Bonding agent
6.25 (1)
93.75 (15)
G4–Co-Cr /No bonding agent