The whiteness of teeth is in different shades; while some guarantee over 8 shades, others would tell you less. However, the super-whiteness of your teeth depends on the kind of product you use, and how intentional you are about oral care. One thing is certain â get the best kits, follow through with the treatments, apply the required amount of substance under the specified time, and you will see results. Besides, the intensity of color varies from one person to another.