Robot jaws with human teeth to test how materials would wear in the mouths of people
January 4th, 2008 - 5:41 pm ICT by admin
London, January 4 (ANI): University of Bristol researchers will fix copies of real human teeth on a set of robotic jaws this year to test how materials would wear in the mouths of individual people.
Dento-Munch, which mimics the full movement of the human jaw, has been created by engineer Kazem Alemzadeh. The lower robotic jaw is able to make up and down, forward and backwards, and left and right movements.
Alemzadeh is now thinking of creating accurate copies of human teeth for Dento-Munch to chew with.
He will scan standard plaster casts of teeth made by dentists using an office projector, a digital camera, and some custom software. The detailed 3D digital copies will then be used to machine replicas later loaded into the jaw.
The 3D scanning system to be used by Alemzadeh is called Dento-OS. It uses an approach known as structured light, wherein a pattern of light and dark bands is projected onto the surface to be scanned.
“It has got to be as real as possible. We also will capture the motion of chewing to test how materials would wear in the mouths of individual people,” New Scientist magazine quoted Alemzadeh as saying.
Motion of chewing captured by the researchers will be used to record jaw movements using attached fluorescent spots tracked by cameras.
Alemzadeh believes that his technique will be highly accurate in registering chewing motions. (ANI)
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Tags: accurate copies, custom software, dark bands, dentists, digital camera, digital copies, human jaw, human teeth, january 4, jaw movements, jaws, kazem, motions, mouths, new scientist magazine, plaster, projector, robot, scanning system, university of bristol
