And this pattern of tooth loss in favor of beaks was also repeated in birds!

这种有利于喙的牙齿脱落模式 也在鸟类中重复出现！

You see, misaligned teeth are tricky to clean, increasing your risk of tooth decay, gum disease, or even tooth loss.

你知道，牙齿错位很难清洁，会增加蛀牙、牙龈疾病甚至牙齿脱落的风险。

This is the leading cause of tooth loss and if you never brushed your teeth, you'd probably have a lot less chompers than the rest of us.

这是导致牙齿脱落的主要原因， 如果您从不刷牙，那么您可能比我们其他人拥有更少的牙齿。