Daignostic consideration for temporomandibular dysfunction with brainstem reflex

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The present study examined the quantitative measures of the exteroceptive suppression (ES) period in the masseteric EMG. As preliminary study, occlusal contanct was examined. The occlusal contact area increased with increasing tooth clenching intensity from baseline to 20% MVC and 40% MVC, and that the number of occlusal contact points also increased with changes in the tooth clenching intensity at a higher detection level. It suggested that occlusal contacts may be different at low tooth clenching intensity with potential effects on the teeth or periodontal tissues. Another study showed that appropriate instructions for bite recording resulted in a largely stable recording of the occlusal contact area.