Saturday Academy Lab (IMAGE) New York University Caption In the hands-on labs, students learn how to take impressions of teeth, use stone models made with impressions to create mouthguards and wax-ups, and remove plaque and fill cavities on plastic models of teeth. Credit NYU College of Dentistry Usage Restrictions use with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.