It’s achieved through a multi-stage mold making process. [Matthew]’s first step was to make a flexible mold of his hand using Perfect Mold alginate material to do so. Once solidified, ...

Orthodontist uses 3-D printers to make molds of teeth. By Mohana Ravindranath. November 16, 2014 at 3:01 p.m. EST. correction.

Savani filled the tray with dental alginate to create a negative mold of all the wounds. Then he sprayed foam latex onto the molds. He scraped off the excess latex and then baked the wounds to ...