How Often Should I Brush and Floss My Teeth?
Dentists recommend that everyone brush their teeth at least twice a day with fluoride toothpaste and floss once a day. Flossing removes plaque between your teeth, a place that you can't reach by brushing. You can also remove this plaque with tools other than floss. These tools, called interdental cleaners, include wooden or plastic picks and water flossers.
Read more at: https://www.womenshealth.gov/a-z-topics/oral-health