What's wrong Arif?

Arif has such sweet tooth. Loves cakes, sweets, and today had too much chocolates. While i was busy with my own work, left Arif with his toys and at the same time conquering the TV remote. Then i heard his voice faintly calling me...."mama...mama...." "yes arif, what's wrong?" i sat beside him and arif immediately opened his mouth while pointing to his teeth. "mama, pain." "Oh Arif sakit gigi ke?" "No, mama, cavity." "Oh..cavity..."