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Scientists have been invented a device that can replicate human chewing, in order to test dental materials.
Researchers at the University of Bristol developed the Dental Robotic Testing Simulator, dubbed Dento-Munch, Dentistry.co.uk reports.
According to the website, the £2.5 billion ($5 bn) is spent on dental materials every year that are used to strengthen or replace teeth, but very little is actually known about them so their long-term performance cannot be properly assessed.
Up until now, replicating the motion of chewing has been difficult because the joints involved are flexible, giving humans the ability to move their jaws with "six degrees of freedom".
In the Dento-Munch, the jaw muscles are placed outside of the skull and represented by mechanisms that introduce motion, similar in design to an aircraft simulator, while the lower platform plays the part of the lower jaw and can move in six degrees of freedom. Human teeth can now be placed inside the device to see how they fare.
Dental materials such as porcelain are used for a wide variety of treatments, including veneers and crowns.
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