SARS-CoV-2 test outcomes among dentists and dental hygienists with COVID-19-like complaints - A retrospective analysis from the Netherlands

Elsevier

Available online 20 September 2022, 101779

Journal of Evidence-Based Dental PracticeAbstractObjective

This retrospective analysis aimed to evaluate, among individuals with COVID-19-like symptoms, the percentage of SARS-CoV-2 positive oral healthcare workers relative to healthcare workers in general and a non-close-contact occupation reference group in the Netherlands.

Material and Methods

Data was retrospectively analyzed based on data extracted from the CoronIT database. This contained mass testing data for those experiencing symptoms compatible with COVID-19 recorded from June 2020 up to February 2021. The total number of tests taken and the number of SARS-CoV-2 positive tests were assessed. Sub-analyses were performed for oral healthcare and healthcare workers based in professional working locations, long-term care facilities, hospitals, or elsewhere.

Results

In total, data from 1,999,390 tests were obtained. Overall, 9.4% tested positive for SARS-CoV-2 in the three occupational groups. This was 9.2% for oral healthcare workers, 9.5% for healthcare workers, and 9.3% for the non-close-contact occupation reference group. For the three occupational groups the adjusted odds ratio with the month as covariate varied from 0.76 to 1.12. The odds ratio for oral healthcare workers compared to healthcare workers was 1 [95%CI:0.95;1.05] and 0.97 [95%CI:0.92;1.02] compared to the non-close-contact occupation reference group. Interpretation of the magnitude of the odds ratio indicates that the observed differences are none to very small.

Conclusion

During the pandemic oral healthcare providers were required to adhere to the COVID-19-specific amendments to the national infection control guidelines. Based on the data gathered, dentists and dental hygienists with COVID-19-like symptoms do not test SARS-CoV-2 positive more often than other healthcare workers or those with a non-close-contact occupation. This supports the assumption that working during the pandemic using the Dutch standard hygiene guideline supplemented with the COVID guideline for oral health care is adequately safe.

Keywords

dental practice

dentist

dental hygienist

dental care professionals

oral healthcare workers

SARS-CoV-2

COVID-19

corona virus

© 2022 The Authors. Published by Elsevier Inc.

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