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a) A graph showing the impact of oral health status on COVID-19 severity. b) A graph showing the impact of oral health status on the recovery period of COVID-19 patients. c) A graph showing the impact of oral health status on CRP values during the first week of COVID-19 illness. d) ROC curve assessing oral health score as an indicator for COVID-19 severity in the studied population. The area under the curve was found to be 0.828 (95% confidence interval was between 0.745 and 0.911)
