Thanks for your great questions, Amelia. I’m a dentist, so I know a bit about how toothpaste works and what we used before it was invented. Toothpaste makes your mouth smell fresh and feel clean. If ...

Here's a fun fact: Toothpaste works to clean your teeth through the use of slightly abrasive substances, among other things like fluoride. Those little abrasive chemicals work to dislodge gross stuff ...