Facts about the human teeth

• Teeth are used to help break down food.
• Humans form 2 sets of teeth over the course of their lives.
• The first set (sometimes called baby teeth) features 20 teeth.
• The second set (sometimes called adult teeth) features 32 teeth.
• Baby teeth are usually replaced by adult teeth between the ages of 6 and 12.
• Humans have a variety of teeth including molars, premolars, canines and incisors.
• Incisors help bite pieces from food.
• Canines help hold and tear food apart.
• Molars help grind food.
• Teeth are covered in a hard substance called enamel.
• Teeth are surrounded by gums.
• Cavities can damage a tooth if left untreated.
• Braces are often used to help straighten or align teeth.