Tooth enamel- the hardest substance in the human body

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The toughest substance in your body isn't your bones  it's your dental enamel.

Tooth enamel is a hard and glossy substance that covers the crown of the tooth. It is the hardest substance in the human body and contains the highest percentage of minerals.

The primary mineral is known as hydroxyapatite which is a crystalline calcium phosphate. The enamel does not contain blood vessels or nerves.

Unfortunately, despite of being the strongest substance in our body, the tooth enamel is not invincible. It can erode and breakdown over time after prolonged exposure to acids and bacteria. Breakdown of enamel can happen over time also by chipping and cracking due to trauma or biting on hard substances.