Abstract
We report a case of oral hygiene control with a toothbrushing calender as a visual support tool. A 8 year-old boy patient visited our department with chief conplaint of toothache in left lower molar. There were a lot of decayed tooth in his mouth. He had autism spectrum disorder. We performed a comprehensive treatment under general anesthesia. After treatment under general anesthesia, the patient brushed his tooth after every meal, 3 times a day according to toothbrushing calender. In addition, dentures was weared as a space maintainer. It is important the need for cooperation consultation room and home and school to keep oral hygiene.