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Advisor(s)
Abstract(s)
Dentist work requires comfort and visibility, which sometimes causes an incorrect, maladjusted, and static posture, affecting mostly the upper limbs. It is due to prolonged work that oral health professionals are more susceptible to developing musculoskeletal disorders (MSDs) of the hand and wrist. The propose of this study was to evaluate and analyze the variation of grip strength in dental students. We also pretend to evaluate the incidence of signs and symptoms of MSDs. A clinical dental procedure was simulated using instruments of different design on phantoms to evaluate the palmar grip. Grip strength was measured with a dynamometer. The Nordic Musculoskeletal Questionnaire was conducted to assess the incidence of symptoms of MSDs. The most prevalent symptoms in this population were neck, lower back, and shoulder pain. During the procedure, 43 participants found the ergonomic curette more comfortable. After scraping with the metallic curette, a lower palmar grip strength was observed. Women have a higher incidence of MSDs and lower grip strength. Participants should transform and improve clinical habits to promote better working conditions and decrease MSDs. It was concluded that the grip force exerted during root scraping depends on the design of the curette. Instruments with a larger diameter and lower weight are more ergonomic and require less grip force.
Description
Keywords
Dental student Ergonomics Musculoskeletal disorders Grip force
Citation
Silva, V., Costa, I., Fonseca, P., Monteiro, P., & Santos, J. (2023). The effect of dental instruments on grip strength. Em A. Amaro, A. Messias, Gomes, Almeida, Roseiro, M. Neto, M. Paulino, M. A. Castro, & V. Maranha (Eds.), X Congresso da Sociedade Portuguesa de Biomecânica (pp. 221–222). https://10cnb2023.pt/artigos.html
Publisher
Springer