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Teaching methodologies for improving dental students' implementation of ergonomic operator and patient positioning
Andrea M Faust1, Sumitha N Ahmed2, Lisa B Johnston3
1Dental Hygiene Education, UNC Adams School of Dentistry, Durham, North Carolina, USA.
Journal of Dental Education
|October 1, 2020
Summary
Inter-professional training significantly improved dental students' ergonomic positioning skills, reducing risks of musculoskeletal disorders (MSDs). This hands-on approach enhances clinical practice and promotes safer working postures for dentists.
Area of Science:
- Dental Education
- Ergonomics
- Musculoskeletal Health
Background:
- Musculoskeletal disorders (MSDs) are common among dentists, often linked to operator and patient positioning.
- Proper ergonomic practices are crucial for preventing MSDs and ensuring safe dental procedures.
Purpose of the Study:
- To evaluate the effect of inter-professional teaching on dental students' application of correct operator and patient positioning skills.
- To assess the impact of targeted ergonomic instruction on preventing MSDs in dental practice.
Main Methods:
- A randomized case-control study involved 41 first-year dental students receiving standard ergonomics training.
- The case group received an additional 10 minutes of 1-on-1 instruction from physical therapy or dental faculty.
- Students' positioning skills were assessed using a scored rubric on restorative procedures.
Main Results:
- A statistically significant difference was observed in the composite ergonomic positioning score (P = .006).
- Improvements were noted in operator shoulder abduction (P = .03) and spinal lateral flexion (P = .02).
Conclusions:
- Hands-on instruction involving physical therapists and dental faculty positively impacts ergonomic compliance.
- Tailored feedback from inter-professional training enhances students' clinical application of ergonomic principles.

