Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The pulp cavity is the central part of a tooth that contains the tooth's nerve and blood vessels. It is essential for providing the nutrients needed for the tooth’s health and transmitting sensory signals such as pain.
Related terms
Dentin: A hard, dense tissue forming the bulk of a tooth beneath the enamel, offering protection and support.
Enamel: The hard, outermost layer of a tooth that covers the crown, providing protection against decay.
Root Canal: A treatment procedure to remove infected material from the root canals of a tooth, which are part of the extended pathways of the pulp cavity