Underneath your tooth’s outer enamel and within the dentin is an area of soft tissue called the pulp, which carries the tooth’s nerves, veins, arteries and lymph vessels. Root canals are very small, thin divisions that branch off from the top pulp chamber down to the tip of the root. A tooth has at least one but no more than four root canals.
Below is the sequence of events:
Sources: A Consumer's Guide to Dentistry, by Gordon J. Christensen, DDS, MSD, PhD, Mosby-Year Book, Inc., 1994 Practical Endodontics: A Clinical Atlas, by Edward Besner, BS, DDS, et al., Mosby-Year Book, Inc., 1994 Your Teeth Can Be Saved by Endodontic Treatment, American Dental Association, 1992 Pathways of the Pulp, by Stephen Cohen, MA, DDS, FICD, FACD, et al., Mosby-Year Book, Inc., 1991 Endodontic Practice, 11th ed., by Louis I. Grossman, et. Al. Lea and Febiger, 1988 Academy of General Dentistry www.agd.org