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Hello luuuxers, a new craze is conquering the Japanese: covers for teeth made of LED (light emitting diode, in English).
The device can be attached to the teeth - much like how the braces are placed - and lights up when the subject smiles.
You can control it via a handheld computer, such as a Palm, for example, to make the teeth change color (cadaverous-green to a deep red) or even make the lights flash.
The Japanese students have adopted the product mass - which is being billed as "a party in your mouth" - and demand exploded in the country.
The LED emits light in places and instruments on which works better than a lamp but a mouth? omg ...
images not mine