4Smile Dentist in Zagreb reveals some interesting facts about teeth and smiles:
Before dentists specialized in treating teeth, this job was done by blacksmiths.
Dental floss was first produced in 1882.
Tooth decay is the leading health problem among children under 3 years old.
On average, women smile 62 times per day.
Men smile only 8 times per day!
During the same time, children smile around 400 times.
Tooth enamel is the hardest substance in the human body, although it is brittle.
Dental plaque contains as many as 300 different types of bacteria.
As much as two-thirds of a tooth lies below the gum line.
Tooth decay is the second most common disease, right after the common cold.
Sports injuries are responsible for 5 million lost teeth each year.
When meeting a new person, 50% of people first notice the smile, while 31% notice the eyes.
In 35% of people, wisdom teeth never erupt.
Scientists believe that in the distant future it’s possible that no one will have wisdom teeth anymore.
The great white shark continually replaces its sharp teeth (arranged in five rows) and can replace up to 30,000 teeth during its lifetime.
Giraffes have only lower teeth.
In rural areas of Nigeria, remains of the largest carnivore of all time were discovered, measuring 14 meters long with teeth the size of bananas. It was named Carcharodontosaurus iguidensis.
