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Dr.Gum is a kind of chewing gum which can test the healthy condition of
your teeth by monitoring the color of the bubble blowed out of the gum.
The color changes according to the healthy condition in users mouth due
to a series of chemical reaction.The colors representing varied healthy levels depends on the users in order to protect privacies. By using Dr.Gum, you can monitor your teeth in the daily life, especially those who are
not available for the dentist.
Chengcheng Zhang Wei Zhu Wei Xue Sheng Chen