Human Teeth Facts

Human Teeth Facts

1. Your teeth start growing 6 months before you are born.

2. The Romans used to clean and whiten their teeth with urine.

3. Brushing your teeth regularly has been shown to prevent heart disease.

4. The tooth is the only part of the human body that cannot heal and repair by its own.

5. Enamel, found on our teeth, is the hardest substance in the human body.

6. Human teeth are almost as hard as rocks.

7. Plaque begins to form 6 hours after brushing our teeth.

8. Tooth decay has led to 60 percent of adult Americans losing their upper right, middle molar.