Fig. 4.
Modes of failure of all-ceramic crowns. There were 3 modes of failure: chipping, fracture at the core-veneer interface, and fracture of the crown core.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.