Functional assessment and evaluation of health problems with the cervical spine among dental assistants and hygienists.

Purpose: The aim of the study was to evaluate the mobility of the cervical spine, pain and function according to Neck Disability Index (NDI) scores among dental assistants and hygienists. Comparison between dental professionals and a control group was also performed.
Methods: In the study, 338 dental assistants and hygienists with a mean age of 35.8 were evaluated. Of these, 195 were measured with the CROM 3 device, and 143 with a classic tape measure, for the range of motion of their cervical spine. A non-dental professional group consisting of 60 women (whose work was not related to repetitive movements of cervical spine) was also tested, 30 with the CROM 3 device, and 30 with a classic tape measure. The dental and control groups were also surveyed with the NDI questionnaire and Visual Analogue Scale (VAS).
Results: Dental assistants and hygienists had significantly reduced functional ROM in all directions in comparison to the control group. Among the 338 volunteers form the study group the VAS pain score was higher than in the control group. NDI scores were also worse in the study group, compared to the control group. Functional results in all subgroups of the NDI questionnaire were better in the control group. Among dental workers the cervical spine typically demonstrated significantly greater mobility in right-rotation, resulting from the position occupied at the unit at which they work.
Conclusions: Our findings confirm a decrease in the mobility of the cervical spine, lower functional scores involving various everyday activities and greater intensity of pain among dental assistants and hygienists in comparison to participants whose work does not involve cervical spine overuse.
Competing Interests: Absent.
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