Effectiveness of Selected Air Cleaning Devices During Dental Procedures.

Military Medicine
T MauraisL Maheux

Abstract

The recent COVID-19 pandemic has underscored the necessity of protecting health care providers (HCPs) against the transmission of infectious agents during dental procedures. To this end, the effectiveness of several air cleaning devices (ACDs) in reducing HCPs exposure to aerosols generated during dental procedures was estimated, separately or in combination with each other. These ACDs were a chairside unit capturing aerosols at the source of generation, and four ambient ACDs: a portable ambient ACD; a negative pressure module; a custom made, fan-operated and wall-mounted air filter (WMAF); and a smaller and passive version of the latter. The last three ACDs were intended for mobile dental clinics (MDCs) only. This assessment was performed in two different environments: in a dental clinic operatory and in a MDC. Two dental personnel, acting in the roles of dentist and dental assistant, performed on simulated patient aerosol-generating and non-aerosol-generating procedures. For each 5-minute scenario, the cumulative exposure to airborne particulate matter 10 µm in size or smaller (PM10) was determined by calculating the sum of all 1 second readings obtained with personal and ambient air monitors. The effectiveness of the ACDs in...Continue Reading

References

Sep 1, 1996·Journal of the Air & Waste Management Association·S Miller-LeidenJ M Macher
May 7, 2004·The Journal of the American Dental Association·Stephen K Harrel, John Molinari
Mar 5, 2020·International Journal of Oral Science·Xian PengBiao Ren
Apr 29, 2020·Maxillofacial Plastic and Reconstructive Surgery·Hamid Reza FallahiBehzad Cheshmi
May 20, 2020·Journal of Zhejiang University. Science. B·Zi-Yu GeYan-Zhen Zhang

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