Teeth and Jaw in 3D: Tooth Types and How We Chew

Teeth bite and chew food, ready for digestion. Each type has its own shape and job, from sharp front incisors to wide back molars. In the 3D Anatomy simulator you can open the teeth and jaw and tap each type.

Teeth and Jaw shown in the VisionVix 3D Anatomy simulatorExplore in 3D
Teeth and Jaw in the VisionVix 3D Anatomy simulator. Click the picture to open it live.

Teeth and Jaw quick facts

Adult teeth32
Baby teeth20
TypesIncisors, canines, premolars and molars
Hardest partEnamel, the hardest substance in the body
Jaw bonesUpper jaw (maxilla) and lower jaw (mandible)

Interesting facts about the teeth and jaw

  • Incisors at the front cut food, and canines grip and tear.
  • Premolars and molars at the back crush and grind.
  • Tooth enamel is the hardest substance in the human body.
  • Baby teeth usually start falling out at around six years old.
  • Wisdom teeth, the last molars, often appear in the late teens or twenties.

What you can do in 3D

Open the teeth and jaw to see the full set, turn them to compare front and back teeth, and tap each type to learn what it does.

More organs in 3D

Tap any part to open its page.

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Teeth and Jaw questions

How many teeth do adults have?

Adults usually have 32 permanent teeth, including four wisdom teeth.

How many baby teeth do children have?

20. They start falling out at around six years old as adult teeth come through.

What are the four types of teeth?

Incisors for cutting, canines for tearing, and premolars and molars for crushing and grinding.

What is the hardest substance in the body?

Tooth enamel, the outer layer of the teeth.

What are wisdom teeth?

The last molars at the very back of the mouth. They often appear in the late teens or twenties.

The 3D Anatomy simulator is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up. This page is for learning and is not medical advice.