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전치부 반대교합 성인의 저작양상에 관한 연구

Other Titles
 Study on masticatory pattern of adult having anterior cross bite 
Authors
 손병화  ;  유형석  ;  박종진 
Citation
 Korean Journal of Orthodontics (대한치과교정학회지), Vol.27(1) : 35-44, 1997 
Journal Title
 Korean Journal of Orthodontics (대한치과교정학회지) 
ISSN
 2234-7518 
Issue Date
1997
Abstract
mastication is basically regulated by central pattern regulator(CPG) of brain system target organ output from CPG is modulated by oral sensory feedback. anterior cross bite pattern infuluence the feedback mechanism and change muscle activity and jaw movement. .The purpose of this study was to investigate diffemce anterior cross bite group from normal group. the selected sample groups were 30 normal patient, 30 anterior cross bite patient. EMG and EGN of Biopak system were used for this study The following results were obtained 1. In resting state of mandible, anterior cross-bite showed the high r muscle activities in all the muscle.(exeeption:left digastric muscle) than normal group. 2. In clenching state, No significant difference in muscle activities of normal group and anterior cross bite group was noticed 3. In swallowing state Normal group showed the higher muscle activities in left and right masseter muscle, right posterior temporal muscle. 4. In maximum opening and closing velocity, normal group showed the higher value than anterior cross-bite. 5. In the mean value of the maximum operiing,the maximum anterior-posterior movement from centric-occlusion, the lateral deviation from centric-occclusion, normal group showed the higher value than anterior cross-bite group.
Files in This Item:
T199701623.pdf Download
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Yu, Hyung Seog(유형석) ORCID logo https://orcid.org/0000-0002-1275-5078
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/177883
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