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Whitening products may cause tooth decay

Whitening products may cause tooth decay

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  11 April 2019 7:50 AM GMT

New York: While using teeth-whitening products can make your smile brighter, they might also lead to tooth damage, researchers have warned. The study, led by researchers from the Stockton University in the US, found that hydrogen peroxide — the active ingredient in whitening strips — can damage the protein-rich dentin tissue found beneath the tooth’s protective enamel.

Human teeth is made up of three layers — the outer tooth enamel, an underlying dentin layer and connective tissue that binds the roots to the gum. Unlike most studies which have focused on tooth enamel, the new study focused on dentin, which makes up most of the tooth and has high levels of protein — most of which is collagen. The team demonstrated that the major protein in the dentin is converted to smaller fragments when treated with hydrogen peroxide. (IANS)


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