1. Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles (UCLA) , Los Angeles, CA , USA
2. Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco (UCSF) , San Francisco, CA , USA
3. Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles (UCLA ), Los Angeles, CA , USA
4. Division of Diagnostic and Surgical Sciences, School of Dentistry, University of California, Los Angeles (UCLA) , Los Angeles, CA , USA
5. School of Dentistry, University of California, San Francisco (UCSF) , San Francisco, CA , USA
6. School of Dentistry, University of California, Los Angeles (UCLA) , Los Angeles, CA , USA
7. Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles (UCLA ), Los Angeles, CA , USA
8. Department of Bioengineering, University of California, Los Angeles (UCLA ), Los Angeles, CA , USA