KAWANA Hiromasa¹, NAKAMARU Yuji² (1.Department of Oral and Maxillofacial Implantology, Department of Oral and Maxillofacial Surgery, Kanagawa Dental University, Yokosuka, 2.Department of Otolaryngology, Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo)

IWAI Toshinori (Department of Oral and Maxillofacial Surgery/Orthodontics, Yokohama City University Hospital)

TANI-ISHII Nobuyuki (Department of Pulp Biology and Endodontics, Kanagawa Dental University)

NAKAMARU Yuji (Department Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine)

OTORI Nobuyoshi (Department of Otorhinolaryngology, Jikei University School of Medicine, Tokyo, Japan)