Question

Q.1. The main component of enamel is:​

Answer 1

Enamel is so hard because it is composed primarily of inorganic materials: roughly 95% to 98% of it is calcium and phosphate ions that make up strong hydroxyapatite crystals. Yet, these are not pure crystals, because they are carbonated and contain trace minerals such as strontium, magnesium, lead, and fluoride.

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Answer 2

Answer:

By weight, it is made up of 96% carbonated apatite, 3% water, and less than 1% organic matrix.

Explanation:

• The tooth's delicate exterior is enamel.
• The toughest tissue in the human body is this hard shell.
• The portion of the tooth's crown that is visible above the gum line is covered in enamel.
• Your teeth's enamel helps shield them from daily abuse including eating, biting, crunching, and grinding.
• Despite being tough tooth protector, enamel can break and chip.
• The teeth are protected from potentially unpleasant temperatures and chemicals by enamel as well.
• Since they can penetrate your enamel and reach the nerves within, hot or cold foods, drinks, and sweets may cause you to react more when it erodes.

A chipped or fractured piece of enamel cannot be repaired by the body because it lacks live cells.

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