An expert has shared how to prevent mouthwash from staining your teeth and when's best to gargle, as it turns out you shouldn't use mouthwash when brushing your teeth. Caitlin Miller, head of ...

The dentist then advised that she should use floss, mouthwash, and toothpaste—in that order. “It’s because of the commercials that you think you do mouthwash last,” Tefi says the dentist ...