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Indoor Air Quality Evaluation Using Mechanical Ventilation and Portable Air Purifiers in an Academic Dentistry Clinic during the COVID-19 Pandemic in Greece

  • tzoutzas, ioannis
  • maltezou, helena c.
  • barmparesos, nikolaos
  • tasios, panagiotis
  • efthymiou, chrysanthi
  • assimakopoulos, margarita niki
  • tseroni, maria
  • vorou, rengina
  • tzermpos, fotios
  • antoniadou, maria
  • panis, vassilios
  • madianos, phoebus
Publication Date
Aug 23, 2021
DOI: 10.3390/ijerph18168886
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The coronavirus disease 2019 (COVID-19), which is mainly transmitted through droplets without overlooking other sources of transmission, rendered attention on the air quality in indoor areas and more specifically in healthcare settings. The improvement of indoor air quality (IAQ) is ensured by frequent changes of the air that must be carried out in healthcare areas and with assistance from special devices that undertake the filtration of the air and its purification through special filters and lamps. In this research, the performance of air purifiers is assessed in terms of the limitation of PM2.5, PM10, VOCs and CO2 in a postgraduate clinic of the Dentistry School of the National and Kapodistrian University of Athens in parallel with mechanical ventilation. Our findings indicate that the use of mechanical ventilation plays a key role on the results, retaining good IAQ levels within the clinic and that air purifiers show a positive impact on IAQ by mainly reducing the levels of PM2.5 and secondly of TVOC.

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