Use of Teeth Whitening products can harm tooth's protein-rich layer


In new studies, researchers found that hydrogen peroxide, the active ingredient in over-the-counter whitening strips, can damage the protein-rich dentin tissue found beneath the tooth’s protective enamel.

The tooth is made of three layers: the outer tooth enamel, an underlying dentin layer and connective tissue that binds the roots to the gum. Most studies of whitening strips have focused on tooth enamel, which contains very little protein. Kennan’s research team focuses on dentin, which makes up most of the tooth and has high levels of protein, most of which is collagen.

It is well established that hydrogen peroxide can penetrate the enamel and dentin. Previous work by the researchers showed that collagen in the dentin layer decreased when teeth were treated with whitening strips.

"Teeth whitening products can harm protein-rich tooth layer: Researchers show active ingredient in whitening strips damages dentin." -ScienceDaily.

Visit to your nearby dental clinic or speak to your dentist. Regular dental checkups are the best way to catch a cavity or any dental related issues before it gets worse. Early diagnosis means easier treatment and healthy teeth.

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