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Relationship between job-stress and temporomandibular joint disorder in dental hygienists

정은영 1 김명래 2

1이화여자대학교
2이화의대

Accredited

ABSTRACT

Objectives : The purpose of the study is to investigate the relationship between job-stressand temporomandibular joint(TMJ) disorder in dental hygienists. This study will provide thebasic data to improve the working condition and the quality of life. Methods : The subjects were 229 dental hygienists at general hospitals in Seoul, Korea. Aself-reported questionnaire was filled out from May 20 to June 20, 2013. The questionnaire consistedof 4 questions of demographic features, 11 questions for TMJ symptoms and 5 questions forjob stress. The data were analyzed by frequency analysis, chi-square test, Mann-Whitney U testand multiple job-stress logistic regression analysis using SPSS version 21.0. Results : During the last six months, 53.3%(122 persons) of the dental hygienists had TMJdisorder symptoms including joint noise(40.6%, 93 persons), TMJ pain(31.4%, 71 persons) andlimitation of TMJ(21.8%, 50 persons). Job-stress is divided into two ranges including high stressgroup(4.3-5.0 points) and low stress group(0.0-3.6 points) in TMJ pain and joint noise(p<0.05). TMJ pain was closely related to low back pain, pelvis pain and tension headache arising fromthe uncomfortable working posture. Conclusions : It is necessary to prevent the job stress in the dental hygienists by the improvementof working condition, emotional stability, and frequent postural change.

Citation status

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