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Elise Bender

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ebender@aadr.org

Stay up to date on the latest news at IADR by reading our press releases. Use the search and keyword features on the left to sort past press releases. 

Mouthwashes With CPC Reduce the Infectivity of SARS-CoV-2 Variants in Vitro

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Alexandria, Va., USA — Certain mouthwashes decrease the infectivity of respiratory viruses including SARS-CoV-2 but the agents with antiviral activity present in these oral rinses and their mechanisms of action remain largely unknown. The study “Mouthwashes With CPC Reduce the Infectivity of SARS-CoV-2 Variants in Vitro,” published in the Journal of Dental Research (JDR), shows that show that cetylpyridinium chloride (CPC), a quaternary ammonium compound present in many oral mouthwashes, reduces SARS-CoV-2 infectivity by inhibiting the viral fusion step with target cells after disrupting the integrity of the viral envelope.

COVID-19: Seroprevalence and Vaccine Responses in UK Dental Care Professionals

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Alexandria, Va., USA — Dental care professionals are thought to be at enhanced risk of occupational exposure to SARS-CoV-2, but robust data to support this is lacking. The study "COVID-19: Seroprevalence and Vaccine Responses in UK Dental Care Professionals," published in the Journal of Dental Research (JDR), provides a longitudinal analysis of antibodies to SARS-CoV-2 spike glycoprotein, including early analysis of the impact of vaccination on the immune response.

Sources of SARS-CoV-2 and Other Microorganisms in Dental Aerosols

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Alexandria, Va., USA — COVID-19 was declared a global pandemic in March 2020 and given an incomplete understanding of the transmission of SARS-CoV-2 at that time, the American Dental Association recommended that dental offices refrain from providing non-emergency services. As a result, 198,000 dentists in the United States closed their doors to patients. The study “Sources of SARS-CoV-2 and Other Microorganisms in Dental Aerosols,” published in the Journal of Dental Research (JDR), sought to inform infection-control science by identifying the source of bacteria and viruses in aerosol generating dental procedures.

Ventilation Assessment by Carbon Dioxide Levels in Dental Treatment Rooms

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Alexandria, Va., USA — Carbon dioxide (CO2) is a byproduct of human metabolism and exists in high levels in exhaled air, and is therefore often used as a proxy for indoor air quality. The study “Ventilation Assessment by Carbon Dioxide Levels in Dental Treatment Rooms,” published in the Journal of Dental Research (JDR), evaluated CO2 levels in dental operatories and determined the accuracy of using CO2 levels to assess ventilation rate in dental clinics.

SARS-CoV-2 Positivity in Asymptomatic-screened Dental Patients

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Alexandria, Va., USA — Asymptomatic carriage of SARS-CoV-2 is a potentially significant source of transmission, yet remains relatively poorly understood. The study “SARS-CoV-2 Positivity in Asymptomatic-screened Dental Patients” published in the Journal of Dental Research (JDR), investigated SARS-CoV-2 infection in asymptomatic dental patients to inform community surveillance and improve understanding of risks in the dental setting.

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