The hard material on the outside of your teeth is called enamel. Eating lemons can remove the enamel, and you don't want to do that.
dentin
Enamel
its not too descriptive.
It's Dentin
Mice will gnaw on any hard material to work on their teeth.
A lower speed is better for hard material. Of course a suitable blade with more, smaller teeth is also necessary .
Ivory is a white, hard material, made from tusks and teeth of animals. Ivory is often used as a material in art or in manufacturing, and is a very popular material.
The leather will not damage the outside of a laptop it is designed too protect your laptop from damage.
Dentin is a material found in teeth. The dentin material found in teeth is just under the layer of enamel.
Teeth are bones.
Teeth
It helps because their teeth bite hard and canines have powerful teeth that bite hard.