Abstract
The evolutionary process of the SARS-CoV2 disease identified as COVID-19, is related to the oral cavity and the high percentage of pathogenicity in the throat the first 5-6 days. The transmission of the virus takes place through the inhalation of nanoparticles from the air through expectorations, sneezing or saliva, with high viral loads in infected individuals as well as in infected asymptomatic patients; oral transmission of SARS_CoV2 being at high risk. The proposal of the use of mouthwashes in preventive dentistry is to inactivate or decrease the viral load of SARS-CoV2 in the oral cavity of infected patients and reduce its transmission at the time of receiving dental care. The purpose of this article is to assess and know the best alternative to mouthwash through scientific research this year. Concluding that povidone-iodine-based rinses in a minimum concentration of 0.5% are effective against SARS-CoV2 at a contact time of 15 seconds as the first alternative, followed by 1% hydrogen peroxide at a contact time of 1min.
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