〇Chie Hisada¹, Kyoko Kajimoto¹, Hiroko Tsugane¹, Mitsuo Iinuma¹, Kagaku Azuma², Kin-ya Kubo³ (1.Dept Pediatric Dent, Asahi Univ, Sch Dent, Gifu, Japan, 2.Dept Anat, Sch Med, UOEH, Fukuoka, Japan, 3.Human Life Sci, Nagoya Woman's Univ Grad Sch, Aichi, Japan)