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.
(a) 0.014 × 0.014-inch rectangular Nitinol CAD/CAM generated fixed retainers (Memotain), with silicone transfer key on printed models. (b) Upper and lower Memotain retainers bonded canine-to-canine. (c) 0.0215-inch conventional six-stranded stainless-steel retainers, with silicone transfer key on printed models. (d) Upper and lower six-stranded stainless-steel retainers bonded canine-to-canine.
