You want your teeth to last forever. Because of that desire, you probably go to the dentist twice a year for those much-needed checkups. You also probably brush and floss your teeth at least twice a day. However, you might not be paying as much attention to your toothbrush as you should. In fact, you might not be paying any attention to it, which can be terrible for your teeth. To help you give your toothbrush the attention it needs, and to help keep your teeth and gums healthy, here are four toothbrush tips you should follow.