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.
Schematic drawing of the specimen mounted in an acrylic resin block; (A) metal crown; (B) silicon-simulated periodontal ligament; (C) resin block; (D) metal device. Arrow indicates 45° angle of load applied to prepared notch on the palatal surface
