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The pros and cons of teeth whitening

Teeth whitening, a cosmetic procedure offered by most dentists, has become increasingly popular in recent years, but dental insurance providers don't always provide cover for these procedures, so be sure to check what your insurance provider does not cover.

Dentists can safely lighten the colour of your teeth without removing any of the surface enamel. It's important to note, however, that the procedure can't change the colour of your teeth, only improve their appearance.

There are various factors that affect teeth colour, external and internal.

  • Drinks such as coffee, tea, red wine and blackcurrant.
  • Smoking.
  • Certain antibiotics can also discolour teeth and it's important to tell your dentist if you are taking medication.
  • Genetics.

Bleaching

The most common form of teeth whitening is professional bleaching. A rubber shield or gel protects your gums before a whitening product is applied to your teeth on a tray that fits like a gum-shield. This whitening product contains hydrogen peroxide or carbamide peroxide.

The procedure takes two to four weeks, depending on how your teeth react to the treatment. The teeth whitening process begins in your dentist's surgery and you continue to apply the product at home, between 30 minutes to an hour at a time.

Teeth whitening can be improved through the use of laser, also known as power whitening. The product is applied as before, a laser is then used to activate the chemical which accelerates the active agent and improves the results.

Treatment can be costly and unfortunately, because it is classified as a cosmetic procedure, it's not available from the NHS. Your dentist will inform you of the full cost of the procedure before any work is carried out.

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