The effect of teeth whitening was discovered quite by accident. In the past, dentists tried to treat gum disease with mouth rinses containing hydrogen peroxide.
They noticed teeth became whiter over time following use of these mouthwashes.
In modern-day Australia, teeth whitening is offered by dentists, other dental practitioners and by cosmetic businesses on the high street.
Many teeth-whitening products are also available over the counter for home application, including gels and strips. So which option is best and safest?
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How do they work?
Teeth whitening has also been commonly called teeth bleaching, mainly because the active ingredient in most products is hydrogen peroxide (or products that release hydrogen peroxide when mixed with water or air).
° Souce : abc.net.au
° Author : Alexander Holden
° Image : kohlerdentistry.com