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Article: UNDERSTANDING THE ROOT CANAL PROCEDURE
- Article from:
- US Fed News Service, Including US State News
- Article date:
- September 6, 2007
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Aberdeen Proving Ground released the following issue of APG News:
Underneath the tooth's outer enamel and within the dentin is an area of soft tissue called the pulp, which carries the tooth's nerves, blood vessels and connective tissue. 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.
WHAT CAUSES THE PAIN?
When the pulp becomes infected due to a deep cavity or fracture that allows bacteria to seep in, or injury due to trauma, it can die. Damaged or dead pulp causes increased blood flow and cellular activity, and pressure cannot be relieved from inside the tooth. ...