견치유도군에서 견치치주인대의 국소마취가 저작근활성도에 미치는 영향
The Influence of Local Anesthesia of Canine Periodontal Ligament on Electromyographic Activities of Jaw Elevator Muscles during Canine Guidance
지염주, 배진희, 김광덕,
소속 상세정보
지염주 ( ) - 경북대학교 치과대학 구강진단·구강내과학
배진희 ( ) - 경북대학교 치과대학 구강진단·구강내과학
김광덕 ( ) - 경북대학교 치과대학 구강진단·구강내과학
KMID : 0355219880130010085
Abstract
The author studied maximum clenching EMG activities of temporalis anterior and masseter muscle during canine guidance and centric occlusion. It was performed before and after anesthesia of maxillary and mandibular canines.
The 22 normal subjects(1z, males and 7 females) who had healthy maxillary and mandibular canines were selected. Their occlusal contact scheme was canine guidance d---ring lateral movement and they did not have temporomandibular disorder.
The results were as follows
1. The maximum clenching EMG activities of temporalis anterior and masseter muscle during guidance were less than those during centric occlusion.
2 After left maxillary and mandibular canines were anesthetized v-_th 2% lidocanine with 1:100,000 epinephrine, the maximum clenching EMG activities of temporais anterior and masseter muscle during left canine guidance were greater than those before anesthesia of left maxillary and mandibular canines(p<0.01).
3. The maximum clenching EMG activities of temporalis anterior and masseter?muscle during right guidance were not significantly different between before and after anesthesia of left maxillary and mandibular canines(p >0.05 ).
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