1. Without saliva, we would not be able to taste anything.
2. The inside of your mouth contains as many bacterias as there are people in Earth.
3. No two people have the same set of teeth. A person’s teeth are as unique as their fingerprint.
4. Teeth, like your bones, are alive. They have their own blood supply and nerves. A tooth can die.
5. Your mouth produces about one litre of saliva each day.
6. Human teeth are just as strong as shark teeth.
7. Teeth are the only part of the human body which cannot heal themselves.
8. 99% of the calcium contained in the human body is in one’s teeth.
9. Human lips are hundreds of times more sensitive than the tips of a person’s fingers.
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