1. Chiayi Shen, PhD, associate professor, Department of Dental Biomaterials, College of Dentistry, Health Science Center, University of Florida, Gainesville, FL, USA
2. Jason Speigel, BS, senior dental student, College of Dentistry, Health Science Center, University of Florida, Gainesville, FL, USA
3. Ivar A Mjör, BDS, MSD, MS, Dr Odont, professor, Department of Operative Dentistry, College of Dentistry, Health Science Center, University of Florida, Gainesville, FL, USA