Brushing your teeth with toothpaste is such a normal part of daily life that it is hard to imagine how people managed without it. Yet toothpaste, as we know it today, is a fairly recent invention. For ...

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 ...