An official website of the United States government
Here's how you know
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.
Peak pullout force (average ± SD) on noncycled control implants (n = 10) and after cyclic torsion testing (n = 15 for each pattern). *P < .05, **P < .01, ***P < .001.