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一组是低恐惧人群， 他们给这些人做了一个十三分钟的演示， 完全依照科学事实进行， 但是，对他们说，如果你不刷牙，用牙线， 你就会得牙龈疾病。如果你的牙龈除了毛病，你的牙齿就会脱落， 但是，如果你安了假牙，问题就不大。
they had a low-fear population, where they basically gave them a 13-minute presentation, all based in science, but told them that, if you didn't brush and floss your teeth, you could get gum disease. if you get gum disease, you will lose your teeth, but you'll get dentures, and it won't be that bad.