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Experiences of the Specified Symptoms from the Selected Work-Related Musculoskeletal Syndrome and Posture and Action of the Dental Hygienists When Work-Related Musculoskeletal Diseases of Dental Hygienists Patient Care Procedure
Int J Clin Prev Dent 2018;14(4):235-240
Published online December 31, 2018;
© 2018 Korean Academy of Preventive Dentistry.

Ka Yeon Lee1, Jong Ae Chun2

1Department of Dental Hygiene, Ulsan College, Ulsan, 2Department of Dental Hygiene, Kyungwoon University, Gumi, Korea
Correspondence to: Jong Ae Chun
Department of Dental Hygiene, Kyungwoon University, 724-5 Gangdong-ro, Sandong-myeon, Gumi 39160, Korea. 
Tel: +82-54-479-4066, Fax: +82-54-479-4119, E-mail:
Received December 9, 2018; Revised December 14, 2018; Accepted December 15, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective: The purpose of this study is to examine about dental hygienists’ myofascial pain syndrome, lower back pain, carpal tunnel syndrome (CTS), medial and lateral epicondylitis, hand-arm vibration syndrom and work-related musculoskeletal syndrome (WMSD) experience and hygienists’ posture, motion.
Methods: The self-administered questionnaire was surveyed from June 1 to September 30 of 2018 targeting 280 dental hygienists in Gyeongnam province and 266 dental hygienists’ answers were analyzed.
Results: The average daily working hours of a dental hygienist was more than eight hours 59.0%, with an average of 33 patients per day. The average number of patients who receive treatment for more than 30 minutes is 15. The angle of motion of the subjective evaluation was above 60%. Medical position and form of movement were more than 50% above the standard level. Symptoms of posture and motion that cause WMSD were hand-arm vibration syndrome 68.1%, myofascial pain syndrome 58.6%, lower back pain 51.1%, CTS 50.4% in order. Experience WMSD related symptoms which dental hygienists experience were myofascial pain syndrome 92.9%, CTS 57.9%, lower back pain 56.4%, medial and lateral epicondylitis 37.2%, hand-arm vibration syndrome 24.4%.
Conclusion: The above results showed the posture and motion of dental hygienists and were found that the experience rate which dental hygienists experience WMSD of myofascial pain syndrome, Lower back pain, and CTS was significantly more than 56%.
Keywords : musculoskeletal diseases, dental hygienist, syndrome, posture, patient

December 2018, 14 (4)