Amazon.com: Plaque Disclosing Tablets for Teeth, 96 Count, Dental Disclosing Tablets for Kids or Adults, Shows Plaque, Helps Teach Kids Teeth Brushing Habits for Clean Teeth, by Fresh Knight, Pack of (1) :
Doc Teng's Dental House - Plaque Disclosing Test Using plaque-disclosing tablets or solution regularly can let your child see where food and plaque tend to accumulate and to be overlooked when brushing .
Disclosing tablets - Wikipedia
Disclosing Tablets | Plaque Disclosing Agents | The House of Mouth