SHIBAHARA Takahiko¹, KISHIMOTO Hiromitsu² (1.Department of Oral and Maxillofacial Surgery, Tokyo Dental College, Tokyo, Japan, 2.Department of Dentistry and Oral Surgery, Hyogo College of Medicine, Nishinomiya, Japan)

MORIKAWA Takamichi (Department of oral and maxillofacial surgery, Tokyo Dental College)

TAGUCHI Akira (Department of Oral and Maxillofacial Radiology, School of Dentistry, Matsumoto Dental University, Shiojiri, Japan)

KISHIMOTO Hiromitsu (Department of Dentistry and Oral Surgery, Hyogo College of Medicine, Nishinomiya, Japan)