Make sure the tools you are using to clean your teeth are appropriate for your needs. Find a soft-bristled brush that feels good in your mouth (not too large or too small). Pick out a fluoride toothpaste that you are comfortable with.
If you don't think, you are doing a good job brushing, think about getting an electronic brush that will do a lot of the work for you.
Finding out more about dentistry is what you came here to do right? Well, you now know what it takes to keep those teeth in great shape.
Use everything you have learned so that there is no way that you end up on the losing side. You need those white teeth!