"Our [system] will straighten the teeth in incremental steps," said Dan Knoch, who founded iPrint 3D. In the years since, Knoch has adopted ever-more-sophisticated technology — building 3D printers, scanners and software in-house — to fulfill his vision of straightening peoples' teeth.
Orthodontists can now get 3D printers that make retainers from this Chattanooga startup
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