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The SARS-CoV-2 pandemic has raised awareness of the importance of air quality. This pilot study arose from the need to reduce the concentration of particulate matter in the dental office during orthodontic procedures. To evaluate the efficacy of using an air purifier during orthodontic care in the dental office to reduce the concentration of ambient particulate matter. Significant reductions in particle numbers were obtained for all particle sizes except the largest particles counted (10 μm) through use of the air filter. A marked association between higher humidity levels and higher particle counts was also observed. Using an air purifier during dental care achieves a significant reduction in the concentration of ambient particles in the dental office. There is a correlation between higher relative humidity and higher particle concentration. The probability of obtaining a maximum particulate concentration level of 0.3 and 0.5 μm is 1000 times lower when using an air purifier. © 2024. The Author(s).


Inmaculada Martín-Quintero, Alberto Cervera-Sabater, Jorge Cortés-Bretón Brinkmann, Juan Manuel Aragoneses-Lamas, Javier Flores-Fraile, Juan Santos-Marino. Reduction by air purifier of particulate concentration during orthodontic procedures: a pilot study. BMC oral health. 2024 Feb 07;24(1):199

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PMID: 38326811

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