In art studies iconography is the description and systematiza-tion of typological conventions and schemes used in the representation of either persons (real or legendary) or narrative scenes.
Whitening Your Teeth with Hydrogen Peroxide. 1  1. Use hydrogen peroxide. 2  2. Purchase a bottle of hydrogen peroxide from your local drugstore. 3  3. Use a mixture of the hydrogen peroxide and water as a mouthwash.  4. Brush your teeth with a hydrogen peroxide and baking soda paste once a week. This mixture will help keep your teeth looking white and clean. Here's how you can make it: Pour 2 teaspoons (10ml) of hydrogen peroxide into 3 teaspoons (15ml) of baking soda. Mix these together until a paste forms.
Most tooth whiteners use one of two chemical agents: carbamide peroxide or hydrogen peroxide (the same stuff that will bleach your hair). When used in the mouth, carbamide peroxide breaks down into hydrogen peroxide and urea, with hydrogen peroxide being the active whitening ingredient.