Submitted by Takaharu7 t3_121wuz2 in askscience
williamsonny t1_jds72wh wrote
Reply to comment by [deleted] in How did humans 10000 Years ago care about their Teeth? by Takaharu7
Also, unfortunately: The ancient Greeks and Romans cleaned and whitened their smiles by rubbing their teeth with charcoal and a mixture of honey and vinegar, followe by a chaser of urine as a mouth rinse. Sorry about that.
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