Irene's Donut is a software which is based on research dissertation S3 Dr. drg. Irene Adyatmaka involving 2,568 kindergarten students and parents. Development of a dissertation entitled "Dental Caries Risk Simulator for Preschool Children" has received the full support of: Dentistry, University of Indonesia, CHAMPS Faculty of Public Health, Higher Education Ministry of National Education, Ministry of Health Yanmed, PENABUR BPK Jakarta, and GC Asia Dental Pte Ltd.