Dental facts you probably don't know. Part 5

• A fossilized T-Rex tooth can weigh up to a pound.

• In 200 A.D., the Romans used a mixture of bones, eggshells, oyster shells, and honey to clean their teeth.

• A snail's mouth is no larger than the head of a pin, yet it can contain over 25,000 teeth.

• A single can of soda contains 10-12 teaspoons of sugar. The recommended maximum daily dietary intake of sugar is 4 teaspoons.

• In 1994, a West Virginia prison inmate braided dental floss into a rope, scaled the wall, and escaped.

• In the 1800s, blacksmiths and barbers also served as dentists.

• Toothpicks are the object most often choked on by Americans.

• The stone-faced farmer in artist Grant Wood's famous "American Gothic" painting was actually the artist's dentist.

• Sports-related injuries account for approximately 5 million missing teeth per year.

• Americans spend $100 billion a year on hair care products, and only $2 billion a year on dental care products.