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Dental hygienists work-related musculoskeletal symptoms and factor analysis

치과위생사의 직무관련 근골격계 자각증상과 요인분석

  • Park, Sae-Rom (Dept. of Dentistry, Chung-Ang University Hospital) ;
  • Shim, Youn-Soo (Dept. of Dental Hygiene, Cheung Ju University, College of health Sciences) ;
  • Jung, Sang-Hee (Dept. of Dental Hygiene, Gangneung Yeongdong College)
  • 박새롬 (중앙대학교병원 치과) ;
  • 심연수 (청주대학교 보건의료대학 치위생학과) ;
  • 정상희 (강릉영동대학 치위생과)
  • Received : 2012.05.14
  • Accepted : 2012.08.20
  • Published : 2012.08.31

Abstract

Objectives : This research was conducted to find the subjective symptoms of musculoskeletal system for main jobs and job posture. Methods : A survey was conducted from September 15, 2011 to October 7, 2011 and 357 dental hygienists were responded. The survey was consisted of the working environment and medical equipments, psycho-social characteristics, health habits and education, job posture, subjective symptoms of musculoskeletal system pain, and so on. Results : In the survey on the frequency of job posture of dental hygienists by jobs, said they cast down or tilt their head by 15 degrees or more or twist or bend their back. The result of the analysis on the subjective symptoms of musculoskeletal system by main job showed that they experienced a pain in neck, shoulder, and back, although the order differed. The order of subjective symptoms of musculoskeletal system for casting down or turning head by 15 degrees or more, twisting or bending back, having shoulders not parallel to the ground, sitting at the end of a chair, and supporting the whole body with one leg or pressing on a pedal for treatment was from the shoulders to the neck to the back. The order of subjective symptoms of musculoskeletal system for having arms too far from the body or hunching for treatment and bending wrists inward or outward for treatment was from the shoulders to the back to the neck. Conclusions : Due to the characteristics of the job which requires one to have a proper view of a patient's oral cavity, most of the postures included casting down of head or bending of back. Therefore a development of new postures is needed to replace the existing job postures which pressure the musculoskeletal system. And shift rotation can be used as a preventive measure.

Acknowledgement

Supported by : 강릉영동대학

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