Tooth Number Chart

Inside a Tooth

Look inside a tooth. Choose any adult or baby tooth, then use the layer switch to go from the hard outer enamel, through the dentin, to the pulp and nerve in the root canals. Slide the X-ray control to see how the same tooth looks on a dental X-ray, and cut it in half to see every layer at once.

X-ray view shows every layer at once. Set the X-ray slider to 0% to explore the layers one by one.

X-RAY
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Drag to rotate · scroll or pinch to zoom
EnamelDentinCementumPulp & nerve

The model is a simplified teaching shape based on average tooth sizes. Real teeth vary, and canal numbers in particular differ from person to person. Find any tooth’s number on the tooth number chart or see the whole mouth in the 3D tooth viewer.