DALLAS — When it comes to toothpaste, the choices can be overwhelming. It turns out, a lot of what's out there might not even be good for us. “When we see something that’s over-the-counter, we think ...

Toothpaste for Cavities: The term 'cavity' does not refer to an actual worm in the tooth but rather signifies tooth decay. When decay occurs, the affected area may start to hollow out or turn dark.