Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry

Summary: Medical procedures can disperse infectious agents and spread disease. Particularly, dental procedures may pose a high risk of disease transmission as they use high-powered instruments operating within the oral cavity that may contain infectious microbiota or viruses. Here we assess the abil...

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Autores principales:	Ian Eames, Francesco D'Aiuto, Somayeh Shahreza, Yousef Javanmardi, Ramanarayanan Balachandran, Martin Hyde, Yuan-Ling Ng, Kishor Gulabivala, Sara Watson, Hywel Davies, Nicolas Szita, Janette Khajeh, Jeanie Suvan, Emad Moeendarbary
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Dentistry Therapeutic procedure Applied physics Science Q
Acceso en línea:	https://doaj.org/article/acd17e8c87e74af2ac811e953a706c81
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spelling	oai:doaj.org-article:acd17e8c87e74af2ac811e953a706c812021-11-20T05:10:14ZRemoval and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry2589-004210.1016/j.isci.2021.103344https://doaj.org/article/acd17e8c87e74af2ac811e953a706c812021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2589004221013134https://doaj.org/toc/2589-0042Summary: Medical procedures can disperse infectious agents and spread disease. Particularly, dental procedures may pose a high risk of disease transmission as they use high-powered instruments operating within the oral cavity that may contain infectious microbiota or viruses. Here we assess the ability of powered dental devices in removing the biofluid films and identified mechanical, hydrodynamic, and aerodynamic forces as the main underlying mechanisms of removal and dispersal processes. Our results indicate that potentially infectious agents can be removed and dispersed immediately after dental instrument engagement with the adherent biofluid film, while the degree of their dispersal is rapidly depleted owing to the removal of the source and dilution by the coolant water. We found that droplets created by high-speed drill interactions typically travel ballistically, while aerosol-laden air tends to flow as a current over surfaces. Our mechanistic investigation offers plausible routes for reducing the spread of infection during invasive medical procedures.Ian EamesFrancesco D'AiutoSomayeh ShahrezaYousef JavanmardiRamanarayanan BalachandranMartin HydeYuan-Ling NgKishor GulabivalaSara WatsonHywel DaviesNicolas SzitaJanette KhajehJeanie SuvanEmad MoeendarbaryElsevierarticleDentistryTherapeutic procedureApplied physicsScienceQENiScience, Vol 24, Iss 11, Pp 103344- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Dentistry Therapeutic procedure Applied physics Science Q
spellingShingle	Dentistry Therapeutic procedure Applied physics Science Q Ian Eames Francesco D'Aiuto Somayeh Shahreza Yousef Javanmardi Ramanarayanan Balachandran Martin Hyde Yuan-Ling Ng Kishor Gulabivala Sara Watson Hywel Davies Nicolas Szita Janette Khajeh Jeanie Suvan Emad Moeendarbary Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry
description	Summary: Medical procedures can disperse infectious agents and spread disease. Particularly, dental procedures may pose a high risk of disease transmission as they use high-powered instruments operating within the oral cavity that may contain infectious microbiota or viruses. Here we assess the ability of powered dental devices in removing the biofluid films and identified mechanical, hydrodynamic, and aerodynamic forces as the main underlying mechanisms of removal and dispersal processes. Our results indicate that potentially infectious agents can be removed and dispersed immediately after dental instrument engagement with the adherent biofluid film, while the degree of their dispersal is rapidly depleted owing to the removal of the source and dilution by the coolant water. We found that droplets created by high-speed drill interactions typically travel ballistically, while aerosol-laden air tends to flow as a current over surfaces. Our mechanistic investigation offers plausible routes for reducing the spread of infection during invasive medical procedures.
format	article
author	Ian Eames Francesco D'Aiuto Somayeh Shahreza Yousef Javanmardi Ramanarayanan Balachandran Martin Hyde Yuan-Ling Ng Kishor Gulabivala Sara Watson Hywel Davies Nicolas Szita Janette Khajeh Jeanie Suvan Emad Moeendarbary
author_facet	Ian Eames Francesco D'Aiuto Somayeh Shahreza Yousef Javanmardi Ramanarayanan Balachandran Martin Hyde Yuan-Ling Ng Kishor Gulabivala Sara Watson Hywel Davies Nicolas Szita Janette Khajeh Jeanie Suvan Emad Moeendarbary
author_sort	Ian Eames
title	Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry
title_short	Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry
title_full	Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry
title_fullStr	Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry
title_full_unstemmed	Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry
title_sort	removal and dispersal of biofluid films by powered medical devices: modeling infectious agent spreading in dentistry
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/acd17e8c87e74af2ac811e953a706c81
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Removal and dispersal of biofluid films by powered medical devices: Modeling infectious agent spreading in dentistry

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