23. The most valuable tooth belonged to Sir Isaac Newton. In 1816 one of his teeth was sold in London for $3,633, or in today’s terms $35,700. The tooth was set in a ring! (source: Guinness World Records 2002).
24. More than 300 types of bacteria make up dental plaque.
25. Dogs have 42 teeth, cats have 30 teeth, pigs have 44 teeth, and an armadillo has 104 teeth.
26. A snail’s mouth is no larger than the head of a pin, but it can have over 25,000 teeth!
27. The elephant grinds its molars and grows new ones. This happens six times in a lifetime! An elephant’s molar is about 7 inches square and can weigh over 6 pounds
28. The Blue Whale is the largest mammal on earth, but it eats only tiny shrimp because it has no teeth.
29. The Crocodile Bird flies into the open mouth of a crocodile and cleans the crocodile’s teeth!
30. There are 10-12 teaspoons of sugar in a single can of soda.
