##  [Dentin](/index.php/dentin) 

  ##  [Dentin](https://health.quantumdictionary.io/dentin-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The calcified tissue that lies beneath enamel and cementum, forming the bulk of a tooth; it contains a collagenous organic matrix and microscopic tubules that transmit sensory stimuli and provide a substrate for limited tertiary deposition by odontoblasts.