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KMID : 0355220060310040365
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Journal of Korean Academy Oral Medicine
2006 Volume.31 No. 4 p.365 ~ p.373
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Occlusal Analysis in the Policemen with Temporomandibular Disorders Using T-scan Ⅱ System
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Lim Hyun-Dae
Jung Seung-Ah
Lee You-Mee
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Abstract
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This study suggested correction of excessive mouth opening or maximum occlusal contact to analyse occlusal contact time, occlusal contact number and force through evaluation of occlusal pattern in policemen with temporomandibular disorders.
The community of policemen influence on temporomandibular disorder’s development and progress due to other condition of mouth opening and maximal occlusal contact. Repeated training or changes of usual life style may cause imbalance of stomatognathic system including the masticatory muscle, then develop or aggravate pain of temporomandibular joints and associated structures.
This study uses T-scan Ⅱ system(Tekscan Co., USA) for evaluation on occlusal pattern may influence temporomandibular disorders, and then the subjects take a sensor at 20 ㎜ opening for maximal occlusal contact force. The policemen with temporomandibualr disorders get more long time on maximum contact timing, more short on end contact timing, and more force on end contact force than general society’s. So they get closure of mouth with more short time and more force, then transfer remaining load to temporomandibular joint. There are no statistically significances between affected side and occlusal pattern of occlusal contact time and force. There are Left -right dental arch imbalances seems on Rt. dental arch if affected side is right and Lt. dental arch if affected side is left. In above results, It’s worth due consideration that policemen with temporomandibular disorders get more smooth mandibualr movement and less force on maximal occlusal contact position.
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KEYWORD
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Occlusal analysis, Maximum occlusal force, T-scan Ⅱ system
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