Pulp is the inner centre of a tooth and comprises of living tissues and cells. Since a person has thirty two permanent teeth,  the person also has thirty two pulps. The tooth pulp is said to be the most vital part of a tooth. The pulp exists underneath the enamel and the dentin, in the pulp chamber.

The pulp consists of nerves, blood vessels and connective tissue. The pulp has certain nerves which connect the pulp and the tooth with the bone and the other body nerves. When there is trauma on the dentin or the pulp, or the teeth are exposed to extreme temperatures, or pressure is caused, then the pulp is stimulated and pain is caused.

The pulp also forms the dentin. Moreover, there are certain blood vessels in the pulp which support the tooth and ensure that the tooth does not get brittle. This keeps the tooth moisturized and nourished.

The condition of the pulp getting inflamed is known as pulpitis. This condition is very severe and throbbing and typically requires the need for root canal treatment.  With this treatment, basically the pulp in the tooth is removed. In this way, the pain is removed and the tooth remains attached but dead.

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