Interesting Facts about Teeth and Dentistry:
• The electric toothbrush was invented in 1939.
• Before the mid-19th-century dentures were commonly made with teeth pulled from the mouths of dead soldiers.
• Dreams about losing teeth are one of the most commonly interpreted dreams, usually indicating anxiety or a profound change in your life.
• George Washington’s false teeth were made of ivory, lead, and hippopotamus teeth.
• The strongest muscle in the body is the tongue.
• The tooth is the only part of the human body that cannot repair itself.
• Humans produce about 37,854 liters of saliva in a lifetime, that’s about 1.5 liters of saliva in one day.
• Redheads are harder to sedate than any other group. They require on average about 20% more anesthesia.
• John Lennon’s tooth sold for more than 31,000 at an auction.
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