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?:abstract
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A new Coronavirus, the seventh member of the Coronaviridae family, identified as SARS-CoV-2, spread in late December 2019 in the territory of Wuhan in China. CoV-2019 can be transmitted directly from person to person by respiratory drops, direct contact and contaminated material. Furthermore, 2019-nCov penetrates cells similarly to the SARS coronavirus, i.e., through the ACE2 receptor. This may promote human-to-human transmission. Patients and dental professionals are exposed daily to pathogenic microorganisms, including viruses and bacteria, which infect the oral cavity and respiratory tract. Dental procedures carry the risk of 2019-nCoV infection due to their specificity. Direct transmission regards the distance between operator and patient, exposure to saliva, blood and other body fluids, the use of sharp instruments and \'droplet-generating\' rotating instruments, contact with the conjunctival mucosa, and finally the contact with droplets produced by coughing and nasal secretion of an infected individual without mask at short distance, increasing the biological risk for the operator. In light of the pandemic linked to Covid-19, although there is no clear scientific evidence in the literature, it is necessary to identify protections with regard to clothing, operating protocols, disinfection of environments and management of waiting rooms and front offices. This paper is a basis for operative indications for dentists and other health care professionals in phase 2 post lock-down for both private and public structures.
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