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T3 toothbrush / toothbrush

T3 toothbrush
T3 toothbrush

Do you know 333 rule?
It is the best way to protect your teeth against a cavity. T3 toothbrush helps you brush your teeth during the 3 minutes.
Music from the toothbrush is played during the 3 minutes when you push Music button on T3 toothbrush. When music stops, you can be done your brushing teeth. Thus, you can easily brush your teeth during the 3 minuts without clock.

'333' rule is that brush your teeth more than the 3 times per a day.
After meal, brush your teeth within the 3 minutes.
Brush your teeth more than the 3 minutes.


Seoul National University of Science and Technology

Seoul National University of
Seoul, South Korea

YunJin Chang

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