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sterlingphoenix t1_itc7d2e wrote

Reply to comment by wolf_metallo in ELI5 - Why can't you just wash away germs on teeth with soap? by wolf_metallo

I mean, you can get 100% rid of them, but they'll just come back. Or rather new ones will. Once they've managed to get through the enamel, everything else is relatively soft so you want to plug that up ASAP.

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