Objectives The purpose of the present study was to present an up-to-date report on the prevalence of musculoskeletal complaints in dental hygienists and dental hygiene students in Israel. It examined the areas of the body that were most frequently affected and the intensity of pain in both groups. The possible differences between groups and the likelihood that musculoskeletal symptoms in students can be attributed to their workload. Method A modified version of The Nordic Musculoskeletal Questionnaire (NMQ) was used to assess reports of Musculoskeletal disorders (MSD) in general and in different body areas. A numerical pain scale was administered to evaluate pain intensity. Results Two hundred and five women participated in the study: 85 experienced dental hygienists, 17 dental hygiene students and 103 students in a non-clinical track (control group). MSD reports were the most common in the neck (60%), upper back (52%) and lower back (61%). This tendency was seen across all three groups. Hygiene students differed significantly from the control group in terms of number of body areas with MSD and for pain intensity. By contrast, no significant differences were found between dental hygienists and hygiene students, CONCLUSIONS: The findings suggest that dental hygienists and students are at high risk of developing MSD. The high prevalence of MSD among hygiene students underscores the need to commence intervention prior to the initiation of fieldwork.

Musculoskeletal disorders among dental hygienist and students of dental hygiene.

Introduction Dentistry is a high-risk profession for the development of work-related disorders. Dental students are also exposed to several risk factors. The goal of the study was to determine and localise musculoskeletal pain during dental work, afterwards to measure electromyography signals from the muscles groups mostly affected by the musculoskeletal pain. Study was done in order to provide possible suggestions for the most effective preventive measures of MS pain among dental students. Materials and methods In order to solve the objectives, the research was realised in two segments. In the first part of the study, specially designed questionnaires were used to determine the frequency of musculoskeletal pain, risk factors and preventive measures among students. The second part of the study included electromyography analyses of muscular activity of students during dental work. Inclinometers also were set up in the purpose of monitoring inclination of the spine. Results Results of the questionnaire study indicated that pain during work was frequent, 81.8% of all the subjects reported pain during work. The recorded muscle activity of the neck muscles indicated a high ergonomic risk, while the muscle activity of the shoulders and back muscles indicated a medium risk. Work with a back flexion of 20 degrees and more indicates that students are at risk. Conclusion Dental students used to work in unnatural working position. High ergonomic risk occurred in neck muscles. Students should be aware of the potential risks during work and to learn how to prevent it. Regular physical activity is strongly suggested to the students in order to avoid ergonomic problems.

Analysis and prevention of ergonomic risk factors among dental students

Background As the practice of dermatology becomes increasingly procedurally based, there is a concordant rise in musculoskeletal injury (MSI) risk. Dermatologic surgeons are most susceptible and, although the majority suffer from MSI, few have received any formal ergonomics training. This stems from a lack of awareness of this troubling trend and a paucity of research and education on the ergonomics of dermatologic surgery. Objective To highlight pertinent ergonomics principles and strategies from other specialties that could be translated into dermatology, and to synthesize general recommendations aimed at reducing MSI among dermatologic surgeons. Materials and methods A comprehensive search of the PubMed and Cochrane Reviews databases from 1975 to 2019 was conducted, using a combination of ergonomics-related search terms, generating 6 publications from the dermatology literature and 58 from the fields of dentistry, medicine, and select surgical subspecialties. Results This multidisciplinary approach yielded multiple interventions that could be applied directly (i.e., adequate lighting, adjustable operating tables, and surgical seat heights) or indirectly pending further investigation into their feasibility (i.e., video displays of the surgical field to allow neutral head and neck postures). Conclusion Although much can be learned from decades of prior ergonomics research from other specialties, considerations that are unique to dermatology remain and must be addressed with specialty-specific research.

Ergonomics in Dermatologic Surgery: Lessons Learned Across Related Specialties and Opportunities for Improvement.

Introduction Research shows 54% to 93% of practicing dentists suffer from musculoskeletal disorders (MSDs), with many developing afflictions early in their careers. Studies also show that dental students are developing MSDs early in their professional education. Objective The research goal was to quantify the prevalence, anatomical location and initial onset of MSDs among first-year dental students. The study also assessed the students' self-reported opinion as to whether there were enough educational touchpoints to improve their ergonomics in daily activities. Methods At the conclusion of a 9-month preclinical restorative course, that included 2 lectures on MSDs, ergonomics, and postural cueing sessions, a dental and physical therapy faculty member administered a survey to 143 first-year dental students. This survey included questions about the history and presentation of the students' MSD symptoms and their opinion on the relative value of the educational interventions. Results There was a 96.5% response rate to the survey with 87.8% of students reporting mild to moderate pain. The cervical spine (41.7%) and hands (42.4%) were the most common areas afflicted. 55.4% reported pain commencing 1 month after starting in the simulation clinic. Over 60.9% of students "agreed" or "somewhat agreed" that the 2 sessions of hands-on ergonomic educational interventions resulted in improved biomechanics and students requested additional educational resources. Conclusion Dental students are developing MSDs as soon as 1 month after commencing dental school. Dental education should include ongoing ergonomic training throughout the curriculum to help students prevent MSDs.

/pdf/dental-and-physical-therapy-faculty-collaborate-in-assessing-4rndca0x11.pdf

Dental and physical therapy faculty collaborate in assessing and educating dental students on musculoskeletal disorders.

Introduction This study assessed the utility of CAD/CAM technology as a self-assessment tool for preclinical waxing compared to traditional student self-assessment to evaluate preclinical work. Material and methods Thirty-seven students completed the wax-up of the maxillary left central incisor with the goal of recreating original anatomy and completed a traditional self-assessment. The original, unreduced cast and waxings were scanned with an intraoral scanner (E4D, Planmeca). Using CAD/CAM software (Compare, Planmeca), each waxing was superimposed over the original. Tolerance (250 µm) was set to illustrate under- and over-contoured areas, enabling visualisation of the waxing compared to original in three dimensions. Students then completed another self-assessment and an exit survey. Results Twenty-four per cent of self-assessment responses changed after using Compare Software. 20% changed from satisfactory to unsatisfactory. Four per cent changed from unsatisfactory to satisfactory. Greatest change in response occurred in the Incisal Edge (49%) rubric category. Interproximal Contact Area (3%) demonstrated least change in response. Seventy per cent strongly agreed that Compare Software enabled more effective assessment of Lingual Contour. Eight per cent strongly disagreed that Compare Software enabled more effective assessment of finishing. Discussion CAD/CAM software can improve student's critical self-assessment. Different rubric categories demonstrated differing rates of response change, indicating more critical of certain aspects of the waxing. Majority strongly agreed that the software enabled more effective self-assessment. Conclusion CAD/CAM technology enhances student's learning in dental wax-up through improving self-assessment. This technology may improve teacher-student communication, reduce one-on-one teaching time and allow higher student-teacher ratio.

Effectiveness of CAD/CAM technology: A self-assessment tool for preclinical waxing exercise.

INTRODUCTION Dental professionals are at high risk of musculoskeletal disorders (MSDs) due to static working positions for extended periods of time. Musculoskeletal pain has been identified as early as during their entry-level dental education. The purpose of this study was to determine whether feedback involving photography and self-assessment would improve ergonomic scores and the accuracy of ergonomic self-assessments amongst dental students. MATERIALS AND METHODS The study involved a randomised control design of 135 dental students. At weeks 1 and 4, participants were photographed, and at weeks 1 through 4, participants completed ergonomic self-evaluations, using a Modified-Dental Operator Posture Assessment Instrument (M-DOPAI). During weeks 2 and 3, participants in the training group were photographed and used those photographs to complete ergonomic self-assessments. All participants' pre-training and post-training photographs were evaluated for ergonomic scores by two raters. RESULTS A mixed-design ANOVA of ergonomic scores revealed that ergonomic scores improved for all students who received the ergonomics training (F(1,254)=17.41, P < .001). In addition, a mixed-design ANOVA of kappa coefficient values between student and rater scores revealed that the accuracy of self-assessments improved for all students who received the ergonomics training (F(1,127)=6.33, P < .05). CONCLUSION The use of photographs and self-assessment provides dental and dental hygiene educators with a pragmatic method to improve self-assessment skills, increase student awareness of any postural deviations from ideal and improve musculoskeletal health.

Self-assessment of ergonomics amongst dental students utilising photography: RCT.

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Self-assessment of ergonomics amongst dental students utilising photography: RCT.