Journal of Dental Research, Vol 55, 684-690, Copyright © 1976 by International & American Associations for Dental Research Online Journals

ARTICLES

Relations between occlusal interference and jaw muscle activities in response to changes in head position

M. Funakoshi, N. Fujita and S. Takehana

The jaw muscles responded to changes in the head position. Electromyographic responses to head positions were classified as either of two types--balanced and unbalanced. The balanced type of electromyographic responses of participants with normal occlusion changed to the unbalanced type after being set with an overlay to make a premature contact artificially, and returned to the balanced type after removal of the overlay. The unbalanced type of electromyographic response of participants with occlusal interference turned to the balanced type after occlusal adjustment.

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