Discover a technique for whitening teeth that does not harm the enamel

Look a smile a radiant white is considered beautiful. But the consumption of tobacco or sugary drinks and coffee (among other causes), just decolorando. Therefore, each time most people go to the consutlas of dentists to undergo treatments bleaching dental.

The most common of all is to apply molecules of hydrogen peroxide (oxygenated water) to the surface of the tooth. When you turn them on with blue light, eliminate the molecules that dirty our teeth. The problem is that they also removed part of the tooth enamel, causing our teeth to become more brittle.

But, now, a team from the Department of Chemical and Materials Engineering, Concordia University, has developed a new method of teeth whitening that does not have those side effects. Constiste in to replace the próxido of hydrogen by nanoparticles of titanium dioxide. When you turn them on with the blue light, it achieves the same whitening effect, but without causing appreciable damage to the tooth enamel.

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