Out of all the materials in your body, your tooth enamel is the strongest, but that doesn’t mean teeth are impervious to breaking. Enamel makes up just the small outer layer of teeth with softer, more sensitive layers underneath. When this material undergoes too much stress, it can crack, exposing the center.
Because of teeth’s vulnerability, you shouldn’t chew on pens or pencils as well as other objects that don’t belong in your mouth. But even certain kinds of food may be risky! Although you should be able to handle biting and chewing most foods easily, others can increase your risk of cracking a tooth or two.
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