It is called the enamel. It's the most external layer of a tooth and the hardest substance in the body.
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It's called a bridge.
relatively thin
enamel is the outer covering of the teeth.
Cementum
supernumary (extra) tooth
Tooth Burn
tooth enamil I believe enamel is the hard, outer covering of a tooth. The soft inner tissue is called pulp.
A great white shark's tooth is 2 ft. tall
A tooth in some water. :-)
A great white shark's tooth is 2 ft. tall