What causes teeth to be sensitive?
Sensitive teeth pain occurs when exposed sensory nerves in the tooth react to various stimuli. The layer of the tooth under the enamel is called the “dentin”. Microscopic tubules act like tiny straws located in the dentin. They contain fluid and nerve endings. Dentin can be exposed as gum tissue recedes or when the enamel is worn away – often by aggressive tooth brushing. When stimuli like cold food or beverages or you make contact with the exposed dentin, they cause the fluid in the dentinal tubules to move rapidly outward, resulting in sensitive teeth pain.
