When it comes to good dental hygiene, we all know the basics. Brush your teeth twice a day, keep up with flossing, use a good mouthwash, and maybe even try out a tongue scraper for additional benefits ...

You’ll bristle at this bad news. The disgusting truth is that your toothbrush could be harboring mold and bacteria, according to Dr. Ellie Phillips, a dentist based in Austin, Texas. “Many people are ...