Introduction. There are en number of respiratory pathogens in our oral cavity that makes this site for the cause of various infections. Various studies have been conducted in which the relation between oral hygiene and inflammatory conditions were investigated .Moreover Covid 19 is also related with the inflammatory response keeping that thing in mind we conducted this study to find out the relationship between covid 19 severity and oral health status. Methods. A cross sectional study was

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... ted in 304 patients confirmed by real time PCR .In this study the questionnaire consisting of two parts one for covid 19 severity and other for oral health status was used. Results. In this study it wasfound that there is an inverse correlation between the oral health status and covid 19 severity with (p <0.001, r = -0.512). Conclusion. In this study there was a significant relation between poor oral hygiene and severity of the covid 19.But more research is required to find out this relationship.