Pulp is innermost layer of the tooth, below the enamel and dentin, which contains the nerves and blood vessels. The pulp or pulp chamber is the soft area within the center of the tooth and contains the nerve, blood vessels, and connective tissue. The tooth’s nerve is in the “root” or “legs” of the tooth. The root canals travel from the tip of the tooth’s root into the pulp chamber. Tooth pulp is the most vital part of the tooth, originating in the center of the tooth, underneath the enamel layer (the top layer) and the dentin layer (the second layer), in the pulp chamber. The shape of a pulp chamber varies based on the size of the tooth itself. Tooth pulp is soft and consists of living blood vessels, connective tissue, and large nerves. Also commonly referred to as the nerve, the pulp branches out and continues down each root through the canals of the tooth and stops just shy of the apex, or tip, of the tooth.

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