The effect of wearing loupes on upper extremity musculoskeletal disorders among dental hygienists

Hayes, Melanie; Osmotherly, Peter G.; Taylor, Jane; Smith, Derek R.; Ho, Alan

doi:10.1111/idh.12048

Cited by 39 publications

(60 citation statements)

References 33 publications

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“…4 This study found that the ergonomic scores improved for students in the control group, based on self-assessments, and students in the training group, based on rater scores. Overall, the use of a convenience sample of students functioned well for this pilot study.…”

Section: Discussionmentioning

confidence: 72%

“…[1][2][3][4][5][6][7][8][9][10][11] Among one group of dentists, 73.9% of respondents reported musculoskeletal pain, even though 59.3% reported an awareness of neutral ergonomic positions. [1][2][3][4][5][6][7][8][9][10][11] Among one group of dentists, 73.9% of respondents reported musculoskeletal pain, even though 59.3% reported an awareness of neutral ergonomic positions.…”

mentioning

confidence: 99%

“…3 Electromyography and photography have been used to quantitatively measure muscle strain and the risk for developing WMSDs. The primary causes of pain are static postures involving neck flexion, anterior head carriage, 4,5,8 forward trunk flexion, and axial trunk rotation. The primary causes of pain are static postures involving neck flexion, anterior head carriage, 4,5,8 forward trunk flexion, and axial trunk rotation.…”

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confidence: 99%

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Dental Hygiene Students’ Self‐Assessment of Ergonomics Utilizing Photography

Partido

2017

Journal of Dental Education

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Due to postural demands, dental professionals are at high risk for developing work-related musculoskeletal disorders (WMSDs). Dental clinicians' lack of ergonomic awareness may impede the clinical application of recommendations to improve their posture. The aim of this study was to determine whether feedback involving photography and self-assessment would improve dental hygiene students' ergonomic scores and accuracy of their ergonomic self-assessments. The study involved a randomized control design and used a convenience sample of all 32 junior-year dental hygiene students enrolled in the autumn 2016 term in The Ohio State University baccalaureate dental hygiene program. Sixteen students were randomly assigned to each of two groups (control and training). At weeks one and four, all participants were photographed and completed ergonomic self-evaluations using the Modified-Dental Operator Posture Assessment Instrument (M-DOPAI). During weeks two and three, participants in the training group were photographed again and used those photographs to complete ergonomic self-assessments. All participants' pre-training and post-training photographs were given ergonomic scores by three raters. Students' self-assessments in the control group and faculty evaluations of the training group showed significant improvement in scores over time (F(1,60)=4.25, p<0.05). In addition, the accuracy of self-assessment significantly improved for students in the training group (F(1,30)=8.29, p<0.01). In this study, dental hygiene students' self-assessments using photographs resulted in improvements in their ergonomic scores and increased accuracy of their ergonomic self-assessments. Any improvement in ergonomic score or awareness can help reduce the risks for WMSDs, especially among dental clinicians.

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Section: Discussionmentioning

confidence: 72%

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confidence: 99%

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confidence: 99%

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Dental Hygiene Students’ Self‐Assessment of Ergonomics Utilizing Photography

Partido

2017

Journal of Dental Education

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“…This range is alarming but corroborates similar studies with dentists. 12,14,21,22 Ergonomic aspects are not subject of this study, but it should be mentioned that this positive effect is dependent on a good adjustment with respect to the individual working position. The better near visual performance of the younger group could be expected owing to the presbyopic constraints above an age of 40 years.…”

Section: Discussionmentioning

confidence: 97%

“…Most dentists and dental hygienists that use loupes are convinced that their magnification devices and a good near visual acuity have an impact on the treatment outcome, although the scientific evidence in this field is still weak. [12][13][14][15] To the best of our knowledge, no studies about the near visual performance of dental hygienists have been published so far. 9,10 Visual deficiencies can be compensated for with magnification aids in a standardized setting as well as in the individualized setting of a private practice.…”

Section: Introductionmentioning

confidence: 99%

Near visual acuity of dental hygienists with and without magnification

Eichenberger

Perrin

Sieber

et al. 2018

Int J Dental Hygiene

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Ergonomic interventions for preventing musculoskeletal disorders in dental care practitioners

Mulimani

Hoe

Hayes

et al. 2018

Cochrane Database of Systematic Reviews

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Trusted evidence. Informed decisions. Better health. Cochrane Database of Systematic Reviews Main results We included two RCTs (212 participants), one of which was a cluster-randomised trial. Adjusting for the design e ect from clustering, reduced the total sample size to 210. Both studies were carried out in dental clinics and assessed ergonomic interventions in the physical domain, one by evaluating a multi-faceted ergonomic intervention, which consisted of imparting knowledge and training about ergonomics, work station modification, training and surveying ergonomics at the work station, and a regular exercise program; the other by studying the e ectiveness of two di erent types of instrument used for scaling in preventing WMSDs. We were unable to combine the results from the two studies because of the diversity of interventions and outcomes. Physical ergonomic interventions. Based on one study, there is very low-quality evidence that a multi-faceted intervention has no clear e ect on dentists' risk of WMSD in the thighs (RR 0.57, 95% CI 0.23 to 1.42; 102 participants), or feet (RR 0.64, 95% CI 0.29 to 1.41; 102 participants) when compared to no intervention over a six-month period. Based on one study, there is low-quality evidence of no clear di erence in elbow pain (MD −0.14, 95% CI −0.39 to 0.11; 110 participants), or shoulder pain (MD −0.32, 95% CI −0.75 to 0.11; 110 participants) in participants who used light weight curettes with wider handles or heavier curettes with narrow handles for scaling over a 16-week period. Cognitive ergonomic interventions. We found no studies evaluating the e ectiveness of cognitive ergonomic interventions. Organisational ergonomic interventions. We found no studies evaluating the e ectiveness of organisational ergonomic interventions. Authors' conclusions There is very low-quality evidence from one study showing that a multi-faceted intervention has no clear e ect on dentists' risk of WMSD in the thighs or feet when compared to no intervention over a six-month period. This was a poorly conducted study with several shortcomings and errors in statistical analysis of data. There is low-quality evidence from one study showing no clear di erence in elbow pain or shoulder pain in participants using light weight, wider handled curettes or heavier and narrow handled curettes for scaling over a 16-week period. We did not find any studies evaluating the e ectiveness of cognitive ergonomic interventions or organisational ergonomic interventions. Our ability to draw definitive conclusions is restricted by the paucity of suitable studies available to us, and the high risk of bias of the studies that are available. This review highlights the need for well-designed, conducted, and reported RCTs, with long-term follow-up that assess prevention strategies for WMSDs among dental care practitioners.

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The effect of wearing loupes on upper extremity musculoskeletal disorders among dental hygienists

Abstract: Overall, this study suggests that wearing loupes appears to have both positive and negative effects on upper extremity MSD among dental hygienists. Ongoing research is required to determine the long-term effects of loupes wear, over an extended period of time.

Cited by 39 publications

References 33 publications

Dental Hygiene Students’ Self‐Assessment of Ergonomics Utilizing Photography

Dental Hygiene Students’ Self‐Assessment of Ergonomics Utilizing Photography

Near visual acuity of dental hygienists with and without magnification

Ergonomic interventions for preventing musculoskeletal disorders in dental care practitioners

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