In the old days, teeth whitening chores used to be executed in the dental agency. The methods of the old days used aggressive techniques to make your teeth clean by wearing it down it to unveil the whiter surface under it. This was a really overpriced option, particularly employing dental veneers that involved more filing and attaching the porcelain veneering onto the surface. Nowadays, you can whiten your own teeth at home with products such as the opalescence tooth whitening gel. This great product is advocated by dentists as a solid diy product to whiten your teeth in the comfort of your own home. You can pick up this kit at almost all drugstores. Other advanced methodologies of teeth whitening include laser whitening and utilizing chemicals.