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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Position of the DustTrak DRX Aerosol Monitor in the plan of the dental unit in which the dental services were performed: (a) 1 m from the dental practitioner chair; (b) 50 cm from the standard saliva ejectors.