You’re heading to the dentist for your cleaning and checkup, and you’re crossing your fingers that you don’t’ have any cavities this time! Either way, you figure that you’ll hear the same thing as always: Brush at least twice a day for healthy teeth and gums. But isn’t one good brushing a day enough to keep things clean and prevent cavities? Where did the magical number of two come from? Was it just made up, or is there something more behind it? A dentist in Greenfield explains the reasoning behind this recommendation and also gives you some tips and tricks to make it a little easier!