*Katsushi Tamaki1, Miho Takahashi2, Atsushi Shimada3, Taishin Nakai4, Shyuji Watanabe5, Motoki Fujiwara6, Hiroyuki Wake7
(1. kanagawa Dental University, 2. Department of Clinical Psychology, Graduate School of Education, The University of Tokyo, 3. Green Dental Clinic, 4. Dental Nakai Clinic, 5. Totsuka Green Dental Clinic, 6. Kurihama Green Dental Clinic, 7. Midori Pediatric dental Clinic)