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(a) Clenching and grinding episodes in a subject with sleep and awake bruxism before wearing OA. Number of awake-bruxism episodes before OA: 106 clenching episodes and 8 grinding episodes; (b) Clenching episodes in the same subject after wearing OA. Number of awake-bruxism episodes after OA: 57 clenching episodes and 6 grinding episodes.
