10 Teeth Facts:

• Humans have two sets of teeth during their lifetime, while sharks have around 40 sets of teeth.
• The first set (baby teeth or primary teeth) features 20 teeth.
• The second set (adult teeth or permanent teeth) features 32 teeth.
• Baby teeth are usually replaced by adult teeth between the ages of 6 and 12.
• Teeth are covered in a hard substance called enamel.
• Humans have a variety of teeth including molars, premolars, canines and incisors: molars help grind teeth, canines help hold and tear food apart, incisors help bite pieces of food.
• Many diseases are linked to your oral health, including heart disease, osteoporosis, and diabetes.
• One third of your tooth is underneath your gums.
• Not everyone loses all of their baby teeth.
• Some babies can be born with teeth.