[Bruxism--a function of the masticatory organ to cope with stress].

摘要: Bruxism is generally defined as a parafunctional clenching and grinding action between the upper lower teeth. During this activity, extremely strong forces can be applied for time periods exceeding those of functional mastication. These biomechanical loads create many dental problems, such abfractions, hypersensitivity, periodontal distraction, temporo-mandibular dysfunction. Researchers studying have long discussed psychic stress emotional tension. It has also been indicated that an aggressive biting associated with significant attenuation stress-induced increase nor-adrenalin turnover in brain, striatal DOPAC contents prevention stomach ulcer formation experimental animals. The concept management based on psychological background benefits attributable to masticatory muscle activity attenuating stress-related symptoms ulcer. bruxing function organ emergency exit during overloading. Therefore, occlusion contributes significantly individual's ability manage stress. proper dentition recognized valid system prophylaxis all related diseases.