What is a Root Canal?


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What is a Root Canal?


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Root Canal Therapy

Health & Lifestyle
Contributed by : Dr. Harchand Singh DDS

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What is a Root Canal?


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.


Why do I feel pain?


When the pulp becomes infected due to 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. Pain in the tooth is commonly felt when biting down, chewing on it and applying hot or cold foods and drinks.


Why do I need Root Canal Therapy?





Because the tooth will not heal by itself. Without treatment, the infection will spread, bone around the tooth will begin to degenerate, and the tooth may fall out. Pain usually worsens until one is forced to seek emergency dental attention. The only alternative is usually extraction of the tooth, which can cause surrounding teeth to shift crookedly, resulting in a bad bite. Though an extraction is cheaper, the space left behind will require an implant or a bridge, which can be more expensive than root canal therapy. If you have the choice, it’s always best to keep your original teeth.


What is involved in Root Canal Therapy?


Once your general dentist performs tests on the tooth and recommends therapy, he or she can perform the treatment or refer you to an endodontist (a pulp specialist). Treatment usually involves one to three appointments.


First, you will probably be given a local anesthetic to numb the area. A rubber sheet is then placed around the tooth to isolate it. Next, a gap is drilled from the crown into the pulp chamber, which, along with any infected root canal, is cleaned of all diseased pulp and reshaped. Medication may be inserted into the area to fight bacteria. Depending on the condition of the tooth, the crown may then be sealed temporarily to guard against recontamination, or the tooth may be left open to drain, or the dentist may go right ahead to fill the canals.


If you’re given a temporary filling, usually on the next visit it’s removed and the pulp chamber and canal(s) are filled with rubberlike gutta percha or another material to prevent recontamination. If the tooth is still weak, a metal post may be inserted above the canal filling to reinforce the tooth. Once filled, the area is permanently sealed. Finally, a gold or porcelain crown is normally placed over the tooth to strengthen it structure and improve appe


About Author
Dr. Singh uses the latest advances in cosmetic dentistry to reshape natural teeth and give people the gorgeous smile they've always wanted. He began his career in 1985 and got fellowship from Academy of General Dentistry in 1993- FAGD. The Academy of General Dentistry is an organization of general dentists dedicated to continuing education and reliable consumer information. He also did Mastership in General Dentistry in 2001. Today he is dedicated to providing the highest quality of care to all of his patients.


Website: http://www.drharchandsingh.com

 

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