Affiliation: | (1) Department of Oral Anatomy and Cell Biology, Graduate School of Dental Science, Kyushu University, Fukuoka 812–8582, Japan;(2) Department of Oral and Maxillofacial Surgery, Saga Medical School, Saga, Japan;(3) Department of Orthodontics, Graduate School of Dental Science, Kyushu University, Fukuoka, Japan;(4) Oral Health Center and Department of Dental Materials Science, Tokyo Dental College, Chiba, Japan |