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CREST Awards (11-19 year olds)
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Health and Hygiene
Cleaning Your Teeth
Dissolving teeth
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Further Guidance
Stain removal
Health Which? Magazine recently revealed that people aiming for whiter-than-white teeth were left disappointed, as many whitening toothpastes fail to live up to their name. There are a number of reasons why teeth become discoloured. Surface stains (extrinsic) can be caused by tea, coffee or smoking, while the actual tooth colour (intrinsic stains) can be affected by a person’s health.
Have you ever wondered if some toothpastes are better than others?
You might like to …
Look at various brands of toothpaste and compare their active ingredients. Decide which you think offers the best value for money
Stain some teeth (if you can’t get any teeth, egg shells can be used instead – they have similarly high calcium content) with some form of dye. Clean them with different types of toothpaste to see which is best
Try to work out if certain types of toothpaste work better on certain types of stain. For example, some toothpastes claim to be specially made for smokers (nicotine stains).
Further links:
http://www.dentalhealth.org.uk/