Dental facts you probably don't know. Part 4

• People who drink 3 or more cans of soda daily have 62% more tooth decay, fillings, and tooth loss than people that don't drink soda.

• The first toothbrush with bristles was made in China in 1498. Bristles from boars, hogs, horses, and badgers were used.

• It takes 43 muscles to frown. It only takes 17 to smile.

• 61% of adults are attracted to somebody by their smile alone.

• Kids miss 51 million school hours a year due to dental related illnesses.

• There are more bacteria in the human mouth than there are people on the Earth.

• The average woman smiles 62 time a day. The average man? Only 8 times.

• Kids laugh roughly 400 times a day. The average adult laughs only 15 times per day.

• In North America, over 3 million miles of dental floss are purchased annually.

• Dinosaurs grew new teeth when one was lost or broken.