ROOT CANAL THERAPY

Save badly decayed or infected tooth at Downtown Georgetown Dental. A root canal is recommended for a tooth with a large cavity or extensive decay and infection.

The root canals are spaces that house the tooth roots. The canals are just below the center of the tooth containing the soft area called the pulp and the nerve. During a root canal treatment, the nerve, pulp and areas of decay are removed and the resulting cavity is cleaned and sealed.

The pulp needs to be removed if there is extensive tooth damage. If left untreated, bacteria multiplies inside the pulp, infecting the tooth roots and the soft tissues around the tooth. A root canal usually takes more than one visit. The final step of the procedure may involve further restoration, typically using a crown or a crown post to restore the tooth to full function and protect it from damage.


What is root canal treatment?

Root canal treatment, also known as endodontic treatment, is the process of removing infected, injured or dead pulp from your tooth. The space inside the hard layers of each tooth is called the root canal system. This system is filled with soft dental pulp made up of nerves and blood vessels that help your tooth grow and develop.

A Healthy tooth
A healthy tooth


When bacteria (germs) enter your tooth through deep cavities, cracks or flawed fillings, your tooth can become abscessed. An abscessed tooth is a tooth with an infection in the pulp. If pulp becomes infected, it needs to be removed. An abscessed tooth may cause pain and/or swelling. Your dentist may notice the infection from a dental x-ray or from other changes with the tooth. If left untreated, an abscessed tooth can cause serious oral health problems.

An abscessed tooth
An abscessed tooth



How is a root canal treatment done?

1. The dentist gives you a local anesthetic (freezing).

2. To protect your tooth from bacteria in your saliva during the treatment, the dentist places a rubber dam around the tooth being treated.

3. The dentist makes an opening in the tooth to reach the root canal system and the damaged pulp.

4. Using very fine dental instruments, the dentist removes the pulp by cleaning and enlarging the root canal system.

5. After the canal has been cleaned, the dentist fills and seals the canal.

6. The opening of the tooth is then sealed with either a temporary or permanent filling.

The damaged pulp is removed
The damaged pulp is removed


The root canals are filled and sealed
The root canals are filled and sealed



Tooth restoration after root canal treatment

After a root canal treatment, your tooth has to be restored (fixed) to look, feel and work as much like a natural tooth as possible. If an endodontist performed your root canal treatment, he or she will fill the opening of the tooth with a temporary filling and send you back to your dentist or prosthodontist for tooth restoration.

A prosthodontist is a dental specialist who restores and replaces teeth using crowns, bridges, dentures and implants. Your dentist or specialist may use a permanent filling or a crown to restore your tooth. The choice of restoration will depend on the strength of the part of the tooth that's left. A back tooth will likely need a crown because chewing puts a great deal of force on back teeth. If there is not enough of the tooth left, posts may be used to help support the crown.

The tooth is prepared for a crown. Posts are used to help support the crown.
The tooth is prepared for a crown.
Posts are used to help support the crown.


The crown is cemented into place
The crown is cemented into place



What else should I know?

Root canal treatment may be done in 1 or 2 appointments. After root canal treatment, your tooth may be tender for the first week or two. Bad pain or swelling are NOT common. If this happens, call your dentist or endodontist.

You can still get a cavity or gum disease after a root canal treatment. Root canal treatment does not protect your tooth from other types of damage. With proper care and regular dental visits, the tooth could last as long as your other teeth. Most of the time, a tooth that has had a root canal treatment can be saved. However, there are cases where everything possible has been done to save a tooth and still the tooth must be extracted (pulled).


Root canal retreatment

Most root canal treatments are successful. But in some rare cases, a second root canal treatment is needed. This is called retreatment. When retreating a tooth, the root canal filling material is taken out, and the canal is recleaned, reshaped and refilled.

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