1. Tokyo Plastic Dental Society Kita‐ku Tokyo Japan
2. Division of Oral and Maxillofacial Surgery, Institute of Medicine and Dentistry Niigata University Niigata Japan
3. Division of Oral Bioengineering, Institute of Medicine and Dentistry Niigata University Niigata Japan
4. Bioscience Medical Research Center Niigata University Medical and Dental Hospital Niigata Japan