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하악편측절근환자의 교근활성도에 대한 근전도학적 연구

대한치과의사협회지 1974년 12권 2호 p.123 ~ 129
양재현,
소속 상세정보
양재현 ( Yang Jai-Hyun ) 
서울대학교 치과대학 예방치학교실

Abstract


The electrical activities of masseter muscle were recorded on 9 subjects with unilateral fracture of mandible. The electromyographic studies were executed with 2 channel RS dynograph recorder for electromyography. The graphs were recorded in the physiologic rest position, incisal occlusion, molar occlusion, left lateral excursion, right lateral excursion, and protraction. The following conclusions were drawn; 1. In the physiologic rest position, incisal occlusion, molar occlusion, and protraction, the electrical potentials of the masseter muscle were greater in the affected side. 2. In the right lateral excursion, the electrical potentials of the masseter muscle were greater in the right side, and in the left lateral excursion, greather in the left side. There is no correlation mutually between the affected side and unaffected side.

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