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Toothpaste that changes color | |||||||||||||||||
Kids are fascinated by things that change color (like mood rings, jawbreakers, etc) Why not have a kid's toothpaste that changes color over about two minutes so you keep brushing to see what color happens next. I imagine that the toothpaste would contain color granules that change color with friction or abrasion so that active brushing is needed to activate the color change, not just time or water.
grundoon, Aug 27 2004
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I have no idea about the technical capability involved in such a production but the idea could be supplemented so that if not enough brushing were done the teeth would remain blue or purple to ensure that the brushing routine was sufficient.
A good idea, one that has in some ways already been done, in the late 1980s or early 1990s. I'm not a dentist, but I do recall a product that dentists' sold to ensure kids brushed--it left a purple stain on their teeth that they had to brush off--where they missed would show where they had cavities. It wasn't a pure, consumer store available toothpaste, as this would need to be. While not all original, the timing for this product may be much better today...