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) Clenching and grinding episodes in a subject with sleep bruxism before wearing OA. The number of sleep-bruxism episodes before OA: 30 clenching episodes and 23 grinding episodes; (b) Clenching and grinding episodes in sleep in the same subject after wearing OA. The number of sleep-bruxism episodes after OA: 7 clenching episodes and 0 grinding episodes.
