First Department of Oral Surgery, School of Dentistry, Hokkaido University

First Department of Oral Surgery, School of Dentistry, Hokkaido University

First Department of Oral Surgery, School of Dentistry, Hokkaido University

First Department of Oral Surgery, School of Dentistry, Hokkaido University

First Department of Oral Surgery, School of Dentistry, Hokkaido University

Department of Oral Pathology, School of Dentistry, Hokkaido University

Department of Oral Pathology, School of Dentistry, Hokkaido University

Department of Oral Pathology, School of Dentistry, Hokkaido University