1 Digital Dentistry and Advanced Technology, Division of Restorative and Prosthetic Dentistry, The Ohio State University College of Dentistry, Columbus, Ohio, USA.
2 Division of Restorative and Prosthetic Dentistry, The Ohio State University College of Dentistry, Columbus, Ohio, USA.
3 Center for Design and Manufacturing Excellence, Medical Modeling, Materials, and Manufacturing (M4), The Ohio State University College of Engineering, Columbus, Ohio, USA.
4 Clinic Administration and Patient Care, Division of Restorative and Prosthetic Dentistry, The Ohio State University College of Dentistry, Columbus, Ohio, USA.