Is Toothpaste a Bad Idea?

Starting in a different quadrant each time you brush your teeth isn't going to make a difference. The amount or viscosity of the toothpaste doesn't play a factor. Don't rinse out your mouth after brushing, what you're doing is rinsing out fluoride that you've just covered your teeth in. If any dentists are listening and they want to give this as an update for the next episode, that would be fantastic.