Enamel is the thin outer covering of the tooth. This tough shell is the hardest tissue in the human body.
Enamel covers the crown which is the part of the tooth that's visible outside of the gums.
Enamel helps protect your teeth from daily use such as chewing, biting, crunching, and grinding.
Although enamel is a hard protector of teeth, it can chip and crack.
Enamel also insulates the teeth from potentially painful temperatures and chemicals.
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Fuente: Youtube / MyHealthCareer
Image : Wikipedia