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Tooth whitening Q&As

Published by Bupa's health information team, December 2008.

Answers to questions about tooth whitening

This section contains answers to common questions about this topic. Questions have been suggested by health professionals, website feedback and requests via email.

 

How should I look after my teeth to make sure that they stay white?

You should brush your teeth twice a day, and try to reduce the amount of food and drink you consume which could stain your teeth.

Explanation

Your teeth can be stained by certain food and drinks including tea, coffee and red wine. Your teeth can also be stained by smoking. Stopping smoking will help prevent staining and keep your teeth as white as possible. If you're having difficulty giving up, ask your GP for advice.

You should brush your teeth at least twice a day using fluoride toothpaste. Use a toothbrush with a small head so that you can reach all areas of your mouth. Brush your teeth using small circular movements and make sure that you clean every surface of all your teeth. You should also regularly clean in between your teeth with dental floss. Visit your dentist regularly so that any problems with your teeth can be spotted and treated early on.

Further information

Sources

  • Frequently asked questions - tooth whitening. British Dental Health Foundation. www.dentalhealth.org.uk, accessed 8 September 2008
  • Wray D, Wray A, Understanding your teeth and mouth. Family Doctor Series: Family Doctor Publications, in association with the British Medical Association, 2000: 13
  • Caring for my teeth. British Dental Health Foundation. www.dentalhealth.org.uk, accessed 22 October 2008
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How does tooth whitening work?

Tooth whitening products contain an active ingredient that bleaches your teeth, making them whiter.

Explanation

The active ingredient is usually hydrogen peroxide. As this active ingredient is broken down, oxygen gets into the enamel (the outer layer of your teeth) and makes them whiter.

The reason that over-the-counter tooth bleaching products aren't as effective as professional bleaching is because they contain less hydrogen peroxide. Over-the-counter kits aren't recommended as they may not be effective at whitening your teeth. If you're interested in whitening your teeth, the best thing to do is to discuss it with your dentist first.

Whitening toothpastes don't contain any hydrogen peroxide so they can't actually change the colour of your teeth, but they may be able to remove some stains.

Further information

Sources

  • Frequently asked questions - tooth whitening. British Dental Health Foundation. www.dentalhealth.org.uk, accessed 8 September 2008
  • Whitening or bleaching. British Dental Association. www.bdasmile.org, accessed 22 October 2008
  • Wray D, Wray A, Understanding your teeth and mouth. Family Doctor Series: Family Doctor Publications, in association with the British Medical Association, 2000: 13
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How much does tooth whitening cost?

It will depend on your dentist and whereabouts you live, as prices vary across different regions.

Explanation

You should ask your dentist for a written estimate of how much the procedure will cost before you start your treatment. If you have laser or "power" whitening, it will be more expensive than if you're just having your teeth professionally bleached.

Further information

Sources

  • Frequently asked questions - tooth whitening. British Dental Health Foundation. www.dentalhealth.org.uk, accessed 8 September 2008
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Related topics

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This information was published by Bupa's health information team and is based on reputable sources of medical evidence. It has been peer reviewed by Bupa doctors. The content is intended for general information only and does not replace the need for personal advice from a qualified health professional.

Publication date: December 2008

 

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