Daniel Cn Chan1, Wenjie Hu2, Kwok-Hung Chung3, Robert Larsen4, Steven Jensen4, Densen Cao4, Laura Gaviria5, Joo L Ong5, Kyumin Whang6, Trinuch Eiampongpaiboon7. 1. Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, WA, USA, dcnchan@uw.edu. 2. Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China. 3. Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, WA, USA. 4. CAO Group, Inc., West Jordan, UT, USA. 5. Department of Biomedical Engineering, University of Texas, San Antonio, TX, USA. 6. Comprehensive Dentistry, School of Dentistry, UT Health, San Antonio, TX, USA. 7. Department of Prosthodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand.