TAKAHASHI Tetsu¹, YODA Tetsuya² (1.Division of Oral and Maxillofacial Surgery, Department of Oral Medicine and Surgery, Tohoku University Graduate School of Dentistry, 2.Maxillofacial Surgery, Department of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan)

WOLFORD Larry M. (Department of Oral and Maxillofacial Surgery and Orthodontics, Texas A&M University College of Dentistry)

YANG Chi (Department of Oral Surgery in Shanghai 9th People's Hospital)

AIKAWA Tomonao (The First Department of Oral and Maxillafacial Surgery, Osaka University Graduate School of Dentistry)