The Bulletín of Kanagawa Dental College

Vol. 36 No. 2       September- 2008

ISSN: 0385-1443      UBIC: 65

ABSTRACT

It has been proposed that suppression of stress-related emotional responses leads to the simultaneous activation of both sympathetic and parasympathetic divisions of the autonomic nervous system (ANS) and that the expression of these emotional states has a protective effect against ulcerogenesis. In the present study, we investigated whether stress-induced bruxism activity (SBA) has a physiological effect of on the stress-induced changes of the stomach as well as blood leukocytes, cortisol, and adrenaline. This study demonstrated that SBA attenuated stress-induced ulcerogenesis. SBA also attenuated increases of adrenaline, cortisol, and neutrophils in the blood. In conclusion, expression of aggression through SBA during stress exposure attenuates both stress-induced ANS response and ulcerogenesis. Key words: Restraint, Bruxism, Stomach Ulcer, Neutrophil, Adrenaline.

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