1. Department of Occlusal and Oral Functional Rehabilitation, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
2. Leuven BIOMAT Research Cluster, Department of Conservative Dentistry, School for Dentistry, Oral Pathology and Maxillo-Facial Surgery, Catholic University of Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium
3. Department of Biomaterials, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
4. Research Center for Biomedical Engineering, Okayama University, Japan
5. Biomaterials Laboratory, Graduate School of Natural Science and Technology, Okayama University, Japan
6. Laboratory for Electron Microscopy, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
7. Comprehensive Dental Clinic, Okayama University Hospital, Japan