Your tooth is a living tissue like any part of your body. It is made up of 3 parts.
ENAMEL:It is the outermost layer – thinnest but the strongest.
DENTIN: It is the Middle Layer and contains nerve endings – Did you get that cold sensations when you had an Ice-cream ? Here’s the one responsible for it.
PULP:It is the innermost layer – and contains Blood vessels and Nerves. Have you experienced a severe Pain on tooth decay ? : its when the infection spreads to your pulp.Take a look at the pictorial diagram:
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