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P-83 Basement, South Extension II

New Delhi - 110049

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Sunday: 10AM - 5PM

Teeth Whitening – The Science Behind It

Pearly whites? A sparkling beautiful smile, who doesn’t want…we understand!
In a world filled with whitening toothpastes and over-the-counter whitening kits, it’s important to know that the most effective teeth whitening treatment still comes from your dentist. Not only do dentists have more powerful tools at their disposal, they are also experts on your smile. They can tell you whether teeth whitening is right for you or not and what kind of results to expect.

How Teeth Whitening Works

  • Whitening toothpastes work by removing surface stains on teeth, not the ones under the surface. They do this by being more abrasive than other toothpastes, which is why your dentist may discourage you from using whitening toothpastes if you have complained of tooth sensitivity. More than anything, toothpastes are good for preventing stains, not removing them!
  • At-home teeth whitening products from the chemist also contain carbamide or hydrogen peroxide, but in much lower concentrations. They also contain other ingredients for flavour and to help reduce the possibility of tooth sensitivity.
  • The chemicals used in professional teeth whitening are hydrogen peroxide and carbamide peroxide (which breaks down into hydrogen peroxide in your mouth, so hydrogen peroxide is still the active ingredient). Hydrogen peroxide penetrates the teeth and causes a reaction called oxidation, which breaks down the stain compounds.

The Structure of your Teeth

If you look at teeth under a microscope, you can see that the hard outer layer, called enamel, is made up of a tightly packed crystal structure called rods. While this layer seems solid and smooth to the naked eye, it’s possible for the molecules that cause stains to get deep into the enamel by seeping between the rods. In order to remove stains, dentists use a chemical that can get down to where the stains are and break up them up using a chemical reaction.

Fillings and Dental Crowns

Some people don’t realize that whitening only works on natural teeth. Fillings and crowns are made of artificial materials that look like teeth, and feel like teeth, but chemically speaking, they’re very different. Most restorations are made from ceramic, porcelain, or composite resin. These materials do not react the same way to bleaching chemicals as your natural tooth enamel does. If you have large fillings or crowns, a dentist can recommend alternatives to bleaching for improving the appearance of your smile.

Safe, not Sorry

Teeth whitening is now one of the most popular cosmetic dentistry treatments in the market. However, with a mass of information and products out there, it is vital that you research what works, and what may potentially be harmful.
It’s a good idea to go to your dentist to consult about whitening treatments as they can evaluate whether your teeth should even undergo whitening to begin with.


For your teeth whitening in South Delhi, Meraki Dental Studio

+91 11 41606066 +91 8826983838

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