Blog Highlights:
- The differences in your teeth’s shape, size and location will help determine the form and shape of your face
- Upon birth, we all have 20 primary teeth
- By the age of 21, all 32 permanent teeth will have already emerged
Teeth can vary in many different ways whether in size, location within the jaws, or shape. These factors and differences actually help determine how well you can chew your food, speak, or even make a smile. These factors can also help determine the contours of your face.
Upon birth, people will typically have 20 primary teeth which are also known as baby teeth. 
These teeth will start to erupt during 6 months of age. And at various intervals, the individual baby teeth will be shed during childhood.
By the age of 21 years old, all 32 permanent teeth have already erupted.
Frequently Asked Questions
How many primary teeth do people have at birth?
People typically have 20 primary teeth, also known as baby teeth, at birth.
When do primary teeth start to erupt?
Primary teeth usually start to erupt around 6 months of age.
How many permanent teeth do adults have by age 21?
By the age of 21, all 32 permanent teeth have usually erupted.
What factors influence the shape and size of teeth?
Teeth can vary in size, location within the jaws, and shape, which influences chewing, speaking, smiling, and facial contours.
