Today, there are many options you can choose from if you want to have whiter teeth and a better smile. The two main categories are in-clinic dental whitening treatments and over-the-counter teeth bleaching products. The first one is fairly expensive, and not many people can afford to pay for this kind of procedure. Teeth whitening products, on the other hand, are relatively affordable and easily accessible at your local drugstores and grocery shops. You can even order these online. However, it is always best to consult with your dentist first before experimenting with different teeth whitening products.