1. Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
2. Department of Restorative and Aesthetic Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah 21589, Saudi Arabia
3. Department of Biomedical Engineering, University of Michigan College of Engineering, Ann Arbor, MI 48109, USA
4. Department of Otolaryngology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA