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Root Canal Treatment

What is a Root Canal?

To know about a root canal we have to understand the basic structure of the tooth.

 
The portion of the tooth seen in the oral cavity is called the crown of the tooth and portion which is anchored within the jaw bone is called the root. Depending on the size location and function a tooth may have one or more roots. The tooth has this inner core of soft tissue called pulp. The pulp comprises of all the nerves and blood vessels, which keep the tooth alive. In the crown, the pulp is present within a chamber called pulp chamber and it extends into the root via a narrow tapering canal called root canal. The blood vessels and nerves, which travel through this canal, leave the tooth through a small opening present in the lower end of the tooth ultimately joining with the other major blood vessels and nerves running within the jawbone.

How does the pulp get infected?

Sometimes the pulp inside your tooth becomes inflamed or infected. This can be caused by deep decay, repeated dental procedures on the tooth, a crack or chip in the tooth, or a blow to the tooth .The most common cause is tooth decay.

What happens when a pulp gets infected?

Tooth decay if left untreated spreads into the substance of the tooth ultimately infecting the pulp. Once the pulp becomes infected with more bacteria than it can handle, it begins to degenerate. As with any infection there is formation of pus, which tends to get accumulated at the tip of the roots within the jawbone, forming a "pus-pocket" called an abscess. This abscess not only causes pain and swelling but also affects the jawbone.