[1] Tokyo Dent Coll, Dept Oral Pathobiol Sci & Surg, 2-9-18 Kanda Misaki Cho,Chiyoda Ku, Tokyo 1010061, Japan
[2] Tokyo Dent Coll, Oral Hlth Sci Ctr, Tokyo, Japan
[3] Tokyo Dent Coll, Dept Oral & Maxillofacial Radiol, Tokyo, Japan
[4] Tokyo Dent Coll, Dept Anat, Tokyo, Japan
[5] Teikyo Univ, Okinaga Res Inst Innovat Lab, Tokyo, Japan