1. Department of Preventive Dentistry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700‑8558, Japan
2. Department of Oral Biochemistry, Asahi University School of Dentistry, Mizuho, Gifu 501‑0296, Japan
3. Department of Medical Bioengineering, Graduate School of Interdisciplinary Science and Engineering in Healthcare Systems, Okayama University, Okayama 700‑8530, Japan
4. Department of Oral Microbiology, Asahi University School of Dentistry, Mizuho, Gifu 501‑0296, Japan
5. Department of Dental Materials Science, Asahi University School of Dentistry, Mizuho, Gifu 501‑0296, Japan
6. Department of Oral Pathology, Asahi University School of Dentistry, Mizuho, Gifu 501‑0296, Japan
7. Department of Operative Dentistry, Asahi University School of Dentistry, Mizuho, Gifu 501‑0296, Japan