What is bleaching/ teeth whitening

Tooth whitening can be a very effective way of making your teeth look whiter and brighter without removing any of the tooth surface. It cannot make a complete colour change, but it may lighten the existing shade. Brushing and flossing are everyday ways to keep your teeth bright, white and healthy. Still, if you might feel like your smile is lacking some sparkle or is more yellow than it used to be, you’re not alone.

Why do my teeth look yellow now?

Over time, your teeth can go from white to not-so-bright for a number of reasons:

  • Food and Drink -If you drink a lot of Coffee,tea and red wine then you may probably have darker teeth. they all have  intense color pigments called chromogens that attach to the white, outer part of your tooth (enamel).
  • Tobacco Use Two chemicals found in tobacco create stubborn stains: Tar and nicotine. Tar is naturally dark. Nicotine is colorless until it’s mixed with oxygen. Then, it turns into a yellowish, surface-staining substance. 
  • Age Below the hard, white outer shell of your teeth (enamel) is a softer area called dentin.dentin is yellow in color. Over time, the outer enamel layer gets thinner with brushing and more of the yellowish dentin shows through. 
  • Trauma If you’ve been hit in the mouth, your tooth may change color because it reacts to an injury by laying down more dentin, which is a darker layer under the enamel.

How Does Teeth Whitening Work?

Teeth whitening is a simple process. Whitening products contain either  hydrogen peroxide or carbamide peroxide. These bleaches break stains into smaller pieces, which makes the color less concentrated and your teeth brighter.

Post bleaching what should i do to take care of my teeth?

You can help to keep your teeth white by cutting down on the amount of food and drinks you have that can stain teeth. Don’t forget, stopping smoking can also help prevent discoloration and staining.


Bleaching or tooth whitening can be done either  in dental clinic or at home under the supervision of dentist.

Bleaching in dental office –  This is usually done by a dentist in his clinic.

  • Dentist will record a shade of your teeth by matching with a shade guide
  • Dentist will apply some protective covering on your gums that can be a blue clored gingival protector or a rubber dam
  • Bleaching gel will be applied to the teeth for about 8 to 10 minutes in a cycle and activated using a blue light.
  • depending on your case 2 to 3 cycles of 8 to 10 minutes will be done on your teeth.
  • bleaching gel will be removed and desensitiser will be  applied on your teeth.

you will be recalled for a next visit in 2 to 3 days time for a second sitting.

Home bleach- do it at your home

  • In this tooth whitening technique a milder agent carbamide peroxide in a concentration of 10 percent is used.
  • A transparent tray is fabricated by the dentist which is used by the patient at home.
  • the patient applies the bleaching gel in the areas in the tray as told by the dentist and wears these trays for 1 to 2 hours a day.
  • This is usually done for around a week to 10 days.

appreciable results can be seen in 1 to 2 weeks time.

What is the best option for me?

The combined approach is the best for getting good results.

One to two In office sessions followed by the home bleach will give you the best results.

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