Detergents for marble will generally remove surface stains caused by spilled foods, liquids and other substances.

We'll start by discussing surface stains and discoloration.

Bleaching your teeth changes the color of thetooth enameland removes both surface stains and those deeper in the teeth.

Toothpastes use abrasives and chemicals to remove surface stains.

Over-the-counter toothpastes, gels, and liquids help remove some surface stains.

Whitening toothpaste cannot alter the natural color of teeth or reverse discoloration by penetrating surface stains or decay.

Teeth that have surface stains are cleaned and whitened by whitening toothpastes.

Several brands of toothpaste contain mild abrasives or gentle polishing agents and are useful at removing surface stains.

To minimize the risk, dry cleaners advise consumers to avoid rubbing any surface stains and to bring in the soiled tie as soon as possible.

Whitening toothpastes use a rough (abrasive) material that "scrapes" off surface stains and polishes the teeth.