Keeping your mouth happy and healthy is important. One of the most important things you can do for your teeth is to brush them. No matter how busy or tired you are, always brush your teeth before going to bed. When you sleep, the sugar you have sitting on your teeth from the day will combine with the bacteria in your mouth and form the acid that eats at your teeth during the night. Eventually, this will lead to cavities. Remember, if you have brushed your teeth, do not snack