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Heather Collins's avatar

Thanks Ken another very interesting post 👍

Joshua V's avatar

Hi Ken, had a question: How do you explain that these so called 'natives' do not lose their function as their teeth fall out? I don't understand what you mean by saying that they remain to have a 'virtual curve of spee' due to their front teeth. Why would people who had extractions done by a dentist or orthodotnist not have this virtual curve of spee as well?

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