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논문 기본 정보

자료유형
학술저널
저자정보
Ka-Yeon Lee (Department of Dental Hygiene Ulsan College Ulsan) 천종애 (경운대학교)
저널정보
대한예방치과학회 International Journal of Clinical Preventive Dentistry International Journal of Clinical Preventive Dentistry Vol.14 No.3
발행연도
2018.1
수록면
190 - 196 (7page)

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Objective: The purpose of this study was to investigate the prevalence and risk factors of neck musculoskeletal disorders in dental hygienists. Methods: A questionnaire survey was conducted on 266 dental hygienists currently working at the dental clinics in Busan. Results: Work intensity of the subjected dental hygienists considered as high with over 8 daily working hours (59.0%), six weekly working days (57.9%), and executing night duty (77.8%). Among 256 cases excluding 10 subjects who had the past history, 180 cases (70.3%) had subjective pain and 80 cases (44.4%) of the 180 cases had pain sustained over one week, and the prevalence of neck musculoskeletal symptoms according to National Institute of Occupation Safe for Health /Korean Occupational Safety and Health Agency criteria was 124 cases (48.4%). The prevalence were significantly higher in case of over 8 daily working hours (53.7%) than under 8 hours (41.3%) (p=0.065), over 45 degree neck bending (55.0%) than under 45 degree (35.3%) (p=0.005), both neck inclined or tilted (63.8%) than either one (p=0.024), and more fixed posture (53.3%) than rather free (39.6%) (p=0.048). As result of multiple logistic regression analysis, over 45 degree neck flexion (odds ratio [OR]=1.87, 95% confidence interval [CI]=1.06-3.30) and fixed posture (OR=1.93, 95% CI=1.01-3.68) significantly affected the neck musculoskeletal disorders. Conclusion: In summary, in order to decrease the risk of neck musculoskeletal disorders among dental hygienist, correct the habitual neck bending and tilting behaviors would be strengthened and a proper guide that efficiently release the state of bending and keeping fixed state would be needed.

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