The space inside the root canals is filled with a highly vascularized, loose connective tissue, the dental pulp. The dental pulp is the tissue of which the dentin portion of the tooth is composed. The dental pulp helps complete formation of the secondary teeth (adult teeth) one to two years after eruption into the mouth. The dental pulp also nourishes and hydrates the tooth structure which makes the tooth more resilient, less brittle and less prone to fracture from chewing hard foods. Additionally, the dental pulp provides a hot and cold sensory function.
Root canal is also a colloquial term for a dental operation, endodontic therapy, wherein the pulp is cleaned out, the space disinfected and then filled.
Read more about this topic: Root Canal
... from fluid movement and other irritants through the patent dentine tubules result in pulp pain ... an increased co-expression of multiple isoforms at demyelinating nodal sites in painful dental pulp ... (localized in trigeminal ganglia and dorsal root) and plays a major role in dental pain and inflammation ...
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