Teeth model requirements. To become a teeth model, you need: A beautiful smile, which usually means straight, white teeth and healthy gums.

Saber teeth took this tradeoff to the extreme, Rayfield and her colleagues report in Current Biology, ... They created a stainless steel 3D model of each tooth, ...

The system, built by Boston company Perceptive, uses a hand-held 3D volumetric scanner, which builds a detailed 3D model of the mouth, including the teeth, ...