Biosecurity protocols in dentistry in the face of the COVID-19 pandemic

Belene Mattos

SCT Proceedings in Interdisciplinary Insights and Innovations, 2025, vol. 3, 10.56294/piii2025399

Abstract: Introduction: In December 2019, pneumonia cases were identified in Wuhan, China, subsequently attributed to the SARS-CoV-2 virus causing COVID-19. Its rapid spread led the World Health Organization to declare it an international health emergency in January 2020. This virus belongs to the Coronaviridae family and has generated unique challenges due to its high transmissibility and infective capacity. Development: SARS-CoV-2 was transmitted mainly by respiratory droplets, contact with contaminated surfaces and aerosols generated during medical procedures, including dental procedures. In dentistry, it was observed that the virus binds to ACE-2 receptors present in the oral cavity, which increased the relevance of implementing strict biosafety protocols. These measures included the use of personal protective equipment, such as N95 masks, face shields and gloves, along with chemical barriers such as specific disinfectants. In addition, mouth rinses with 1% hydrogen peroxide and 0.2% povidone demonstrated effectiveness in reducing viral load. The pandemic underscored the need to strengthen biosecurity protocols in dentistry. The measures implemented, together with staff and patient awareness, allowed mitigating risks and ensuring continuity of care. These practices not only protect against SARS-CoV-2, but also prepare the field

Date: 2025
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