Adults and children 2 years of age and older: Brush teeth thoroughly, preferably after each meal or at least twice a day, or as directed by a dentist or doctor.
Instruct children under 6 years of age in good brushing and rinsing habits (to minimize swallowing).
Supervise children as neccessary until capable of using without supervision.
Children under 2 years of age: Consult a dentist or doctor.