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KMID : 1023420090090010009
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Journal of Dental Hygiene Science
2009 Volume.9 No. 1 p.9 ~ p.15
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Research on Occupational Stress of the Some Local Workers and Temporomandibular Joint Disorder
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Lee Jung-Hwa
Choi Jung-Mi
Park Eui-Jung
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Abstract
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Aimed at office workers at their height of Temporomandibular joint disorder(TMD), organized self-filling questionnaires were distributed from January 7 to 26, 2008 to 216 workers in the fields of service, office work, and production in D metropolitan city, to get a proper recognition about prevention and treatment of TMD by observing how strongly occupational stress influence on them. The findings of the study were as follows: 1. For subjective symptoms of joint noise as TMD, occasional was 45.8% and often 12.0%, while for joint dislocation often was 12.0%. 41.2% said they feel pains while chewing, while 24.1% said they occasionally feel pains while not chewing. 2.8% said they often experience mouth-opening disorder. 2. For joint noise, answers were significantly different according to their ages, while 30’s are at their height (P<0.05). For joint dislocation, the shorter they worked the more they have it, so less than a year worker was 37.9%, while less than 3 years 31.0%, and less than 5 years 20.7%. For work type, daytime workers have more dislocation, 58.6%, than shift-workers 34.5% (P<0.05, P<0.01). For pains while chewing, the shorter they worked, the more they experienced, which is the same as mouth-opening disorder (P<0.01). 3. Workers with mouth-opening disorder have much stress on occupational autonomy (P<0.05) and workers with dislocation and pains while chewing have much stress on relation trouble (P<0.05, P<0.01). Workers with highly occupational insecurity has much trouble on dislocation and pains while chewing, while workers with dislocation have significantly much stress on un-proper compensation (P<0.05). 4. For who have joint dislocation, they have much stress on relation-trouble, occupational disorder, and un-proper compensation (P<0.01, P<0.05). Workers with pains while not chewing showed significant difference about occupational insecurity and relation troubles (P<0.05, P<0.01). Who have mouth-opening disorder showed significant difference about occupational autonomy (P<0.05).
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KEYWORD
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Temporomandibular joint disorder(TMD), Occupational stress
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