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Research ArticleResearch

Impact of Ergonomic Training on Posture Utilizing Photography and Self-assessments among Dental Hygiene Students and Practitioners

Brian B. Partido and Rebecca Henderson
American Dental Hygienists' Association June 2021, 95 (3) 33-41;
Brian B. Partido
Executive Director of Dental Programs, Seattle Central College, Seattle, WA, USA;
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  • For correspondence: brian.partido@seattlecolleges.edu
Rebecca Henderson
Assistant professor-clinical, Division of Dental Hygiene, College of Dentistry, The Ohio State University, Columbus OH, USA.
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Abstract

Purpose: Dental health care professionals are at high risk of developing work-related musculoskeletal disorders. The purpose of this study was to determine the at-risk regions for developing musculoskeletal strain and evaluate the training effects of photography and self-assessment on the postures among dental hygiene students and clinical practitioners.

Methods: This randomized control design study took place over a four-week period. A convenience sample of dental hygiene students (n=20) and registered dental hygienists (n=20) agreed to participate and were randomly assigned to training and control groups. All participants were photographed in the dental hygiene clinic completed ergonomic self-evaluations, using a Modified-Dental Operator Posture Assessment Instrument (M-DOPAI) during week one and four. Participants in the training group used photographs captured by the study investigators to complete ergonomic self-assessments during weeks two and three. Photographs from week one and four were evaluated by four calibrated raters using the M-DOPAI.

Results: The top regions at-risk for musculoskeletal strain, identified by the raters, were the head and upper arms. Conversely, the top regions at-risk for musculoskeletal strain identified through the participants’ self-assessments were the head and trunk. A mixed-design ANOVA revealed that feedback with photography resulted in improved ergonomic scores. A mixed-design ANOVA of Kappa coefficient values between clinician and rater scores revealed the feedback with photography increased the accuracy of the ergonomic self-assessments.

Conclusion: Training involving self-assessment utilizing photographs resulted in improvements in ergonomic scores and the accuracy of ergonomic self-assessments after four weeks. Improved postures and reduced risks for musculoskeletal disorders may be sustained with periodic ergonomic self-assessments using photography.

  • dental hygienists
  • dental hygiene students
  • ergonomics
  • posture
  • self-assessments
  • musculoskeletal disorders
  • Received May 18, 2021.
  • Accepted October 6, 2020.
  • Copyright © 2021 The American Dental Hygienists’ Association
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American Dental Hygienists' Association: 95 (3)
American Dental Hygienists' Association
Vol. 95, Issue 3
June 2021
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Impact of Ergonomic Training on Posture Utilizing Photography and Self-assessments among Dental Hygiene Students and Practitioners
Brian B. Partido, Rebecca Henderson
American Dental Hygienists' Association Jun 2021, 95 (3) 33-41;

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Impact of Ergonomic Training on Posture Utilizing Photography and Self-assessments among Dental Hygiene Students and Practitioners
Brian B. Partido, Rebecca Henderson
American Dental Hygienists' Association Jun 2021, 95 (3) 33-41;
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Keywords

  • dental hygienists
  • dental hygiene students
  • ergonomics
  • posture
  • self-assessments
  • musculoskeletal disorders

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