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Differences in Dentists’ Working Postures When Adopting Proprioceptive Derivation vs. Conventional Concept

Chaikumarn M.

International Journal of Occupational Safety and Ergonomics

2005

Vol. 11, No. 4

441--449

New technologies and changes in dental care, including the proprioceptive derivation (Pd) concept, aimed at providing dentists with greater comfort and better health, were introduced in Thailand. The aim of this study was to investigate the differences in dentists’ working postures when adopting different work concepts: Pd and the conventional concept. The results showed differences in dentists’ sitting posture, clock-related working positions, and Rapid Upper Limb Assessment (RULA) scores. This implied that Pd helped dentists to discover new ways of positioning themselves, and working comfortably and effectively, which made it possible for them to adopt better working posture and have lower RULA scores. In conclusion, the Pd concept had a positive effect on dentists’ working posture.

Working Conditions and Dentists’ Attitude Towards Proprioceptive Derivation

Chaikumarn M.

International Journal of Occupational Safety and Ergonomics

2004

Vol. 10, No. 2

137--146

Proprioceptive derivation (Pd), a new method of organising a dentist workstation as well as a working procedure, was introduced to Thailand. The aim of this study was to assess the working conditions and the attitude to Pd among experienced users. Questionnaires were distributed among 12 dentists. The results showed that all dentists chose to work in a sitting posture and mostly worked without breaks between patients. They spent less time on dental examination and crown and bridge therapy tasks. Solving problems in patients with physical limitations resulted in a low stress level. Seven dentists (58.3%) always used Pd and liked it. Five dentists (41.7%) sometimes used Pd, with 3 of them liking it. Only 2 dentists, who sometimes used Pd, did not like it because it could not cover all dental tasks and treatment, and it was difficult and complex.