Whitening Weakens Teeth
- Friday, July 17, 2009, 5:13
- Beauty Tips, Mouth & Teeth
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Whitening Weekens Teeth
A study conducted by Univerity of Ohio found that popular home whiteners reduce the hardeness of teeth enamel. These products generally contains either hydrogen peroxide or carbamide peroxide to bleach teeth by producing unstable free radical that attack pigment molecules in the organic parts of the enamel, making teeth appear whiter.
There is also some significant reduction in nano hardeness of enamel. So even thought it may not be visable to human eye, its important for research because that’s how it will improve the product.
(Source: Science Daily,16 April 2009)
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