1. *Assistant Professor, Department of Dental Anesthesiology, Division of Oral Pathogenesis and Disease Control, Asahi University School of Dentistry, Mizuho-shi, Gifu, Japan
2. †Associate Professor, Department of Endodontics, Division of Functional Science and Rehabilitation, Asahi University School of Dentistry, Mizuho-shi, Gifu, Japan
3. ‡Dental Hygienist, Department of Dental Hygiene, Asahi University Medical & Dental Center, Mizuho-shi, Gifu, Japan
4. §Clinical Fellow, Department of Dental Anesthesiology, Division of Oral Pathogenesis and Disease Control, Asahi University School of Dentistry, Mizuho-shi, Gifu, Japan
5. ‖Professor, Department of Surgery, Division of General Medicine, Asahi University School of Dentistry, Mizuho-shi, Gifu, Japan
6. ¶Professor and Chairman, Department of Dental Anesthesiology, Division of Oral Pathogenesis and Disease Control, Asahi University School of Dentistry, Mizuho-shi, Gifu, Japan