咀嚼と歯槽骨骨塩量ならびに噛みしめと肘関節屈曲筋力に関する最近の知見

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Recent findings on the relation among the chewing pattern, the maximal biting force, the alveolar bone mineral content and the elbow muscles strength were discussed. The number of chewing cycle was significantly correlated to the occlusal contact area, maximal biting force and the alveolar bone mineral content. This may suggest that the number of mechanical stimulation from the chewing accelerate the remodeling of alveolar bone, which lead to the increase of the occlusal contact area, the maximal bite force and the alveolar bone density. The clenching of teeth increased the isometric strength of limb muscles via the soleus H-reflex. Using the occlusal sprint was worn in tooth crowding subject, the clenching of teeth increased the isometric strength of elbow muscles. This may interpret that the sprint has an effect of increasing occlusal contact area and to increase the elbow H-reflex. Further investigations must be directed toward the effect of the chewing and the tooth clenching on the physiology of oro-maxillary complex and body muscle function.
2001-03-25