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Elephant toothpaste reaction Two people watching the reaction of Elephant's toothpaste. Elephant's toothpaste is a foamy substance caused by the quick decomposition of hydrogen peroxide (H 2 O 2) using potassium iodide (KI) or yeast and warm water as a catalyst. [1] How rapidly the reaction proceeds will depend on the concentration of hydrogen ...
Hydrogen peroxide (H 2 O 2) is the active ingredient most commonly used in whitening products and is delivered as either hydrogen peroxide or carbamide peroxide. [1] Hydrogen peroxide is analogous to carbamide peroxide as it is released when the stable complex is in contact with water.
The agents most commonly used to intrinsically change the color of teeth are hydrogen peroxide and carbamide peroxide. Oxygen radicals from the peroxide in the whitening agents contact the stains in the interprismatic spaces within the enamel layer. When this occurs, stains will be bleached and the teeth now appear lighter in color.
Most toothpaste products have a shelf life of about two years, after which the fluoride and antibacterial properties may become less effective. [citation needed] While expired toothpaste is generally safe to use, regulatory bodies like the FDA require expiration dates on fluoride-containing toothpaste to ensure optimal effectiveness. [citation ...
Fluoride is a mainstay of dental care, whether it's delivered in a treatment at your dentist's office or in your toothpaste. But fluoride has become the focus of several conspiracy theories over ...
It is found in nature as opal [2] (which has been mined as a gemstone for centuries), and in the cell walls of diatoms. It is also synthetically manufactured for use in toothpaste as an abrasive to assist in cleaning. Hydrated silica can be dehydrated to produce silica gel [citation needed], which is used as a desiccant.
Stannous fluoride was once used under the trade name Fluoristan in the original formulation of the toothpaste brand Crest, though it was later replaced with sodium monofluorophosphate under the trade name Fluoristat. Stabilised stannous fluoride is now the active ingredient in Crest/Oral B Pro-Health brand toothpaste. Although concerns have ...
A pea size amount of toothpaste is all that’s needed, both dentists advise. The flavor doesn’t matter, but if you choose cinnamon, be aware it can be irritating to gums and other soft tissues ...