Teeth are the hardest substance in the human body.
90% of life-threatening diseases have some oral symptoms.
Tooth decay is the 2nd most common disease in the U.S. after the common cold.
The earliest toothbrush was developed in China around 1600 BC. It was a simple chewing stick.
Egyptians used a form of toothpaste made from a mixture of salt, mint, and pepper over 5,000 years ago.
Certain cheeses and dark chocolate have been found to protect teeth from decay.
More than a billion dollars a year is spent on ovver-the-counter products that only mask bad breath odors.
65% of all Americans are estimated to have halitosis or bad breath.
If you don't floss, you will miss cleaning 35% of your tooth surfaces.
Over 3 million miles of dental floss are purchased in North America each year.
The estimated cost of one cavity over a lifetime is over $2,000.
4 million children in the U.S. are affected by cavities. That is greater than the population of the city of Los Angeles.
There are over 100 million bacteria in just one drop of saliva.
The average human produces 25,000 quarts of saliva in a lifetime. That is enough to fill up 2 swimming pools.
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