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New Evaluation Method For Toothpaste

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New Evaluation Method For Toothpaste
There are various types of toothpaste available on the market.
They come as pastes and gels, there are some that guard against tooth decay or protect teeth from acid attack, others that are designed for sensitive teeth.
But which toothpastes clean well?
Which preserve the tooth enamel?
A new evaluation method sheds light on the subject.

Everyone wants to have beautiful teeth.
After all, a perfect set of teeth symbolizes health and youthfulness, and can even influence career prospects. If having pristine teeth calls for thorough oral hygiene, then how well or badly does a given toothpaste clean?
How effective is it?
What should it contain in order not to damage the structure of the teeth?
Such questions are primarily of interest to manufacturers of dental hygiene products, and answers are being delivered by researchers from the Fraunhofer Institute for Mechanics of Materials IWM in Halle.
Through close collaboration with the Microtribology Centre µTC in Karlsruhe they have developed a new process for testing the abrasive effect of toothpastes, allowing this 'abrasivity', as experts call it, to be compared and evaluated in the lab.

Dangerous abrasive effect
Cleaning particles are an important component of toothpastes.
These abrasives, as they are known, mechanically remove dental plaque.
Nevertheless, the paste should not be too strongly abrasive. Over the years the abrasion can cause damage to the tooth enamel, which does not regenerate itself. This damage is more visible and pronounced in the soft dentin.
The German Dental Association recommends that people choose less abrasive toothpaste if the necks of their teeth are exposed.



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