1. Biomaterials
and Engineering Materials (BEM) Laboratory College of Science and
Engineering, James Cook University, 1 James Cook Drive, Townsville, Queensland 4811, Australia
2. College
of Medicine and Dentistry, James Cook University, 14-88 McGregor Road, Cairns, Queensland 4878, Australia
3. Department
of Dental Materials, Chosun University, 375 Seosuk-dong, Dong-gu, Gwangju 501-759, South Korea
4. School
of Dentistry, The University of Queensland, 288 Herston Road, Brisbane, Queensland 4006, Australia