Time series of occlusal force threshold showed plastic modulation by psychological stress

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Periodontal sensation and occlusal sensation are seemed to fluctuate to some extent under daily life circumstances. There is the possibility that those sensations could show the plastic modulation by psychological factor. This study investigated the periodontal and occlusal sensations were affected by the visual type of psychological stress. From the result of the present study, periodontal sensation could become dull, while occlusal sensation sensitive, with psychological stress.