1 concentration gradient The difference in the concentration of a chemical across a membrane. 2  cytoplasm The living substance inside a cell (not including the nucleus). 3  diffusion The movement of particles (molecules or ions) from an area of higher concentration to an area of lower concentration.
Not all stains can be lightened by over-the-counter or professional bleaching, and your dentist will be able to give you guidance. If you have sensitive teeth, gum disease or teeth with worn enamel, your dentist may discourage tooth whitening.
The food we eat and our daily habits will stain the dentin of our teeth. However, everybody wants a beautiful smile. BleachBright is here to make sure that you get and maintain a whiter smile. Our cosmetic teeth whitening (also known as âbleachingâ) products are the best in the industry. Go to your nearest salon, spa, or mall location and check out our flagship product, the L.E.D. Whitening Kit. Our revolutionary teeth whitening system will give you the whiter smile that you want in as little as 15 minutes.