Dentists have a new tool to help build the perfect smile. Matching the colour
of bridges and crowns with surrounding teeth is almost impossible by eye, say
colour scientist Stephen Burkinshaw and dentistry consultant Brian Nattress of
Leeds University. So they have written a program that analyses digital
photographs of the patient’s teeth, and prints out a recipe that a technician
can follow to mix the perfectly matching off-white. The result? A “massive
improvement on matches by trained dentists,” Nattress says.
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