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Ancient Romans had perfect teeth because of this one substance they didn't eat

Emmanuel Ocbazghi,Jessica OrwigMar 19, 2016, 18:36 IST

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Ancient Romans had pretty great teeth. Scientists are scanning the body casts of victims of the eruption of Mount Vesuvius, which is leading them to new revelations.

Produced by Emmanuel Ocbazghi. Original reporting by Jessica Orwig.

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