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COVID-19 and Oral Health

Complete Health Dentistry of Columbus

COVID-19 and Oral Health

Research / Articles

Association between periodontitis and severity of COVID‐19 infection: A case–control study

Journal of Clinical Periodontology - February 2021

Nadya Marouf, Wenji Cai, Khalid N. Said, Hanin Daas, Hanan Diab, Venkateswara Rao Chinta, Ali Ait Hssain, Belinda Nicolau, Mariano Sanz, Faleh Tamimi


A study of 589 COVID-19 patients with gum disease had 8.81x higher chance of death, 3.54x higher change of ending up in the ICU, and 4.57x higher chance of ending up on a ventilator.

The Link Between Ventilator-Associated Pneumonia and the Mouth: The intersection of VAP, COVID-19, oral health and equity

DentaQuest - 2020

Madhuli Thakkar, BDS, MPH; Maya Linson, MS; and Eric Tranby, PhD


"Patients who had at least one preventive dental visit within the previous three years were 22% less likely to be diagnosed with VAP."

Could there be a link between oral hygiene and the severity of SARS-CoV-2 infections?

British Dental Journal - June 2020

Victoria Sampson, Nawar Kamona, Ariane Sampson


"We explore the connection between high bacterial load in the mouth and post-viral complications, and how improving oral health may reduce the risk of complications from COVID-19."

Oral hygiene and severity of COVID-19 – the connection

News Medical - June 2020

Ananya Mandal, MD


“Inadequate oral hygiene can increase the risk of inter-bacterial exchanges between the lungs and the mouth, increasing the risk of respiratory infections and potentially post-viral bacterial complications.”

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