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Published on: January 20, 2019
Evaluation of ergonomic dental stools through clinical simulation
D E Parsell1, M D Weber, B C Anderson
1University of Mississippi Medical Center, School of Dentistry, Department of Restorative Dentistry, 2500 North State Street, Jackson, MS 39216-4505, USA.
General Dentistry
|February 24, 2001
Summary
Dental professionals commonly experience work-related musculoskeletal pain. This study found that dental stools with arm supports may offer musculoskeletal benefits to clinicians during procedures.
Area of Science:
- Ergonomics
- Occupational Health
- Dental Medicine
Background:
- Work-related musculoskeletal pain is prevalent among dental professionals.
- Poor ergonomic setups contribute to discomfort and injury in dentistry.
Purpose of the Study:
- To evaluate the impact of different dental stool designs on clinician musculoskeletal strain.
- To identify ergonomic features that may reduce pain and improve comfort for dentists.
Main Methods:
- Electromyographic (EMG) data were collected from 13 dental clinicians.
- EMG activity was measured across four muscle groups during a simulated crown preparation.
- Three stool designs were compared: standard, dual arm support, and dual arm support with chest support.
Main Results:
- Clinical simulations indicated that dental stools with static arm supports may provide ergonomic advantages.
- Specific muscle groups showed reduced electromyographic activity with enhanced stool designs.
- The addition of arm supports appears to positively influence clinician posture and muscle load.
Conclusions:
- Dental stool designs incorporating static arm supports show potential for reducing musculoskeletal strain in clinicians.
- Further research into ergonomic dental equipment is warranted to mitigate occupational health risks.
- Implementing supportive stool designs could improve the long-term well-being of dental professionals.

