Whiteners dental use hydrogen peroxide to remove embedded in microscopic cracks found on the surface of the particles teeth. When these stains are removed, your teeth look whiter. The cases and crowns are made from porcelain and have those cracks in which are deposited the remains of food and stains are formed.

This is why you cannot whiten crowns or caps. If you are thinking of using bleach on your teeth, you should do before your dentist will place the case or the crown. If your teeth become yellowed with time, you can whiten to match the color of your crown or case. What can also help you look whiter teeth it is to replace the cover, use herbal whiteners and use makeup tricks.

Instructions :

1. Keep it real. It is not effective to try to whiten your caps or crowns. Bleaches only remove embedded stains on tooth enamel. Crowns and covers are made of porcelain and will not discolor in the same way as do the permanent teeth.
2. Whiten your teeth before placing the cover or the crown. Once you have the color you want, the dentist will combine the crown or cover with your newly whitened teeth. Since the teeth becomes yellowish over time, you can use bleach to return the original color and intone your crown or case.
3. Use bleach according to the instructions on the package; usually they are used once per day for 30 minutes. Many people like the convenience of whitening strips, but another option may be to place a bleaching solution plates molded specifically to fit your mouth. Of these two alternatives, the tapes are less noticeable and the process is less complicated, but both can be bought without a prescription. Your dentist can also whiten your teeth, but this service is expensive.
4. Ask your dentist a cover replacement, if you’ve used for a long time and I do not like the color.
5. Put color to your gums. To make your teeth look whiter without using a bleaching product, you can apply a very small amount of red on your gums for food coloring, using a soft brush. This trick, according to makeup artist Andrea Claire, will give your gums a healthy red color and will not stain your teeth.
6. Much as you can, avoid foods that stain your teeth like dark soda, punch, wine, coffee or tea. If you must eat coffee or tea, you can use toothpaste or mouthwash to counteract the staining process.
7. Avoid eating products derived from snuff. Smoking and chewing snuff are not only harmful to your overall health, but also dirty and stained teeth.
8. Try brushing your teeth with baking soda. Many toothpastes include it in their formula because it helps remove stains, but you can also use baking soda you have in your cupboard. You simply place some of this product on the palm of your hand and mix it with one or two drops of water to form a paste; then apply it to your brush and clean your teeth, as you would with a conventional dentifrice.
9. Brush your teeth with toothpaste herbal. Indian Ayurveda medicine recommends Mistake toothpaste containing or Salvadoran Persia, a plant commonly known as “toothbrush tree”. You can purchase this paste over the Internet or in a specialized trade.
10. Use garlic oil, turmeric, salvia strawberries or steps, or mustard oil separately or combined. Some persona recommend mixing mustard oil and turmeric with salt, and then use the mixture as toothpaste; others have succeeded brushing your teeth with strawberries footsteps.
11. After brushing, gargle and rinse your mouth with hydrogen peroxide bleach or some mouthwash. Hydrogen peroxide is a natural bleaching agent sometimes included in mouthwashes.
12. The tanning of the skin, whether you get naturally or using a tanning bed, can create the illusion that your teeth are whiter. You just make sure that your tan looks natural.
13. Use lipstick or gloss with a blue base, as they can be pink or red tones.