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. 2022 Jul 16;10(20):6876–6889. doi: 10.12998/wjcc.v10.i20.6876

Figure 2.

Figure 2

Comparison of the electromyography activity (mean ± SD) of the temporalis anterior and masseter muscle in the mandibular postural position and the intercuspal position maximal voluntary clenching. A: Comparison of the average electromyography amplitudes in the mandibular postural position and intercuspal position maximal voluntary clenching; B: Comparison of the normalized muscle activity ratio in the mandibular postural position; C: Comparison of the intercuspal position activity index. aComparison to the NB group, P < 0.05; bComparison to the CB group, P < 0.05. CB: Centric bruxism; ECB: Eccentric bruxism; NB: Non-bruxism; TA: Temporalis anterior; MM: Masseter muscle; NMA: Normalized muscle activity.