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European Journal of Oral and Maxillofacial Surgery 2022 August;6(2):81-5

DOI: 10.23736/S2532-3466.22.00283-1

Copyright © 2022 EDIZIONI MINERVA MEDICA

lingua: Inglese

Oral and nasal rinse in the management of COVID-19 infection

Corrado TORO 1 , Gaetano LIBRA 2

1 Unit of Maxillofacial Surgery, Clinica del Mediterraneo Private Hospital, Ragusa, Italy; 2 ENT Private Practitioner, Bologna, Italy



SARS-CoV-2 viral infection has now become a major global health issue. Any concrete strategy aimed at reducing its transmission and the clinical course must be seriously considered. The nasal and oral epithelia were the critical point of viral entry, viral reservoir, and sites for disease transmission. This study provides an evidence-based review to assist healthcare professionals who consider nasal rinses and mouth washes as an auxiliary strategy in controlling SARS-CoV-2 infection. Saline nasal irrigations (SNI) are often recommended as an additional non-pharmacological preventive strategy to clean the nasal cavities by removing antigens, inflammatory mediators, and microorganisms such as bacteria and viruses. Mouthwashes are widely used solutions for rinsing the oral cavity, due to their ability to reduce the number of microorganisms. Recent publications have suggested that rinsing the oral cavity may control and reduce the risk of transmission of SARS-CoV-2. Randomized controlled trial of hypertonic saline nasal irrigation, may reduce the COVID-19 transmission and infections. The nose and the mouth represent entry portals for the COVID-19 because the infection is mainly transmitted by inhalation of or contact with infected droplet. Given the safety profile of these therapies, HS nasal irrigations and antiseptic mouth washes should be encouraged for patients and healthcare workers especially. We suggest that healthcare authorities consider and recommend application of the simple strategy of oral and nasal rinses, like they recommend hand washing and other basic hygiene rules.


KEY WORDS: COVID-19; SARS-CoV-2; Nasal lavage fluid; Mouth

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