1. XY Wang, BDS, MD, lecturer, Department of Cariology, Endodontology and Operative Dentistry, Peking University School and Hospital of Somatology, PR China; research scholar, Department of Restorative Dentistry, Faculty of Dentistry, National University of Singapore, Republic of Singapore
2. Adrian UJ Yap, BDS, MSc, PhD, FAMS, FADM, FRSH, associate professor, Department of Restorative Dentistry, Faculty of Dentistry; assistant director, Centre for Biomedical Materials Applications and Technology, Faculty of Engineering, National University of Singapore, Singapore, Republic of Singapore
3. HC Ngo, BDS, MDS, associate professor, Colgate Australian Clinical Dental Research Centre, North Terrace Campus, The University of Adelaide, SA, Australia