Oral hygiene is the practice of keeping one's mouth clean and free of dental diseases and bad breath by regular brushing of the teeth and also cleaning between the teeth. But what if we tell you that keeping your teeth healthy is actually linked to a longer life. What’s more, brushing your teeth at a certain time is also linked to better longevity, compared to skipping your oral hygiene routine at that time. So let's find out what research has revealed on this surprising link between your mouth’s health and how long you’ll live!