In dentistry, the Dentin is the hard portion of the tooth surrounding the pulp, covered by enamel on the crown and cementum on the root. It is actually harder and denser than bone, but softer than enamel. Dentin is the most abundant dental tissue that determines the size and shape of teeth. Dentin is much more susceptible to decay, abrasion from tooth brushing, and is responsible for many sensitivity reactions when it is exposed in the mouth.

Note: The definitions on our web site are for reference purposes only and in no way represent any official dental advice. If you are experiencing any symptom defined by a term, you should seek the advice of your dental practitioner.

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