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Peripheral nerve dysfunction in practicing dental hygienists.

J C Conrad, J B Osborn, K J Conrad

    Journal of Dental Hygiene : JDH
    |October 1, 1990
    PubMed
    Summary
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    Dental hygienists performing repetitive tasks are at risk for carpal tunnel syndrome (CTS). Vibrometry testing can help detect early signs of median nerve dysfunction, enabling timely treatment and reducing impact on practice.

    Area of Science:

    • Occupational Health
    • Neurology
    • Biomedical Engineering

    Background:

    • Repetitive hand tasks in dental hygiene can cause upper extremity cumulative trauma disorders.
    • Median nerve dysfunction, leading to carpal tunnel syndrome (CTS), is a common concern.

    Purpose of the Study:

    • To evaluate the utility of vibrometry for early detection of median nerve dysfunction in dental hygienists.
    • To assess the prevalence of CTS symptoms and objective nerve dysfunction in this population.

    Main Methods:

    • Utilized programmed frequency vibrometry to assess sensory perception in the fingertips of 58 practicing dental hygienists.
    • Evaluated participants bilaterally for median nerve dysfunction.
    • Collected self-reported symptom data for CTS.

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    Main Results:

    • 15 (25.9%) dental hygienists reported CTS symptoms.
    • 7 (12.0%) tested positive for mild median nerve dysfunction via vibrometry.
    • Vibrometry identified subclinical sensory impairments.

    Conclusions:

    • Vibrometry shows promise as a tool for early detection of median nerve dysfunction in dental hygienists.
    • Early detection can facilitate prompt treatment, mitigating the effects of CTS on clinical practice.
    • This non-invasive technique can aid in occupational health surveillance for repetitive strain injuries.