Teeth Whitening Strips May Damage Layer Under Your Enamel

April 12, 2019

Dreamstime

45 Million Americans have had their teeth whitened with around $1.4 billion spent on over-the-counter whiteners to bleach away the stains from cigarettes, red wine, coffee and natural aging. While teeth-whitening products are considered safe by the American Dental Association, there are some concerns these whitening strips could be damaging teeth beneath the surface. Our natural teeth have three layers: the outer enamel layer, the underlying dentin layer composed of proteins (namely collagen); and the pulp in the center that houses nerves, blood vessels and connective that binds the tooth to our gums. And this latest research found that the hydrogen peroxide that serves as the active ingredient in whitening products could be hurting that protein-rich dentin layer. Researchers found teeth whitened with whitening strips had less collagen and other proteins than the untreated teeth. And the more often whitening strips are used, the less proteins found in teeth. The American Dental Association says the overuse of whitening strips or leaving them on too long can damage your gums and teeth.  They recommend getting a professional whitening done (for around $650 and up) to mitigate risks from incorrect use.

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SOURCE: MarketWatch

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