대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)

  • 제33권4호
  • /
  • Pages.718-730
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  • 1995
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  • 0301-2875(pISSN)
  • /
  • 2005-3789(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
권호 표지

습관적 저작측에 부여한 교합장애로 인한 저작근과 흉쇄유돌근 및 하악운동변화에 관한 연구

ANALYSIS OF MANDIBULAR MOVEMENT AND MASTICATORY AND STERNOCLEIDOMATOID MUSCLE ACTIVITY REFLECTED BY OCCLUSAL DISTURBANCE ON HABITUAL CHEWING SIDE

  • 오정환 (경희대학교 치과대학 치과보철학교실) ;
  • 최대균 (경희대학교 치과대학 치과보철학교실) ;
  • 최부병 (경희대학교 치과대학 치과보철학교실)
  • Oh, Jung-Hwan (Department of Prosthodontics, College of Dentistry, Kyung Hee University) ;
  • Choi, Dase-Gyun (Department of Prosthodontics, College of Dentistry, Kyung Hee University) ;
  • Choi, Boo-Byung (Department of Prosthodontics, College of Dentistry, Kyung Hee University)
  • 발행 : 1995.11.01
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초록

This study was performed to measure the mandibular movement and the changes of masicatory and sternocleidomastoid muscle activity reflected by occlusal disturbance during habitual chewing. For this study, 18 subjects(14 males and 4 females with an average age of 24.0) were selected. The impression of each subject were taken for measuring intermolar distance on lower dentition. The activities of masticatory and sternocleidomastoid muscle and the mandibular movement were recorded and analyzed during habitual chewing by means of E.M.G.(electromyograph), E.G.N.(electrognathograph), rotate program in BioPak analyzing system(BioResearch Inc.). The results were as follows : 1. In EMG of the mandibular rest position, the mean value of muscle activites were increased by nocleidomastoid muscle and anterior belly of digastric muscle(0.05

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