What is dentine?????????????
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Hard dense bony tissue forming the bulk of a tooth, beneath the enamel.
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Dentin is one of the four major components of teeth (enamel, dentin, cementum and pulp). It is the second hardest tissue that lies underneath the outer Enamel layer but is not as hard as enamel. It is the part of the tooth that surrounds the pulp and connects to the pulp. If the dentin is exposed or carious then the sensitivity or pain is relayed to the nerve from the open tubules in the dentin.
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