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Endodontics: What Happens at a Root Canal Appointment?

At the root canal treatment appointment, whether it is an emergency visit or a regularly scheduled visit, the patient will be cared for by various members of a trained and professional team. A primary goal of the dental team is to make certain that the patient is comfortable physically and emotionally during every stage of treatment. In addition to relieving tooth pain, if present, the goals of endodontic treatment are to eliminate endodontic disease and move the patient towards a state of health. With modern endodontic techniques, these goals can generally be achieved. Root canal treatment may take one or more visits to complete and usually progresses through the following stages:

1. The dentist reviews the findings and recommendations from the examination and consultation visit. If any additional radiographs are needed before starting treatment, they may be taken at this time.
2. The patient is typically given a local anesthetic. With newer techniques and devices, these anesthetics can usually be administered painlessly. The tooth can be made "profoundly" numb so that the patient is completely comfortable during treatment.
3. After achieving the required level of anesthesia, the dentist "isolates" the tooth using a "dental dam." This is a sheet of rubber material that fits over the tooth to be treated and forms a tight seal around it. The rubber dam serves to keep the saliva away from the area being treated and it also prevents the various disinfecting and cleaning solutions used during the procedure within the tooth from entering the mouth.
4. After the tooth has been isolated, the dentist prepares a window (an "access" opening) through the biting surface of the tooth in order to gain access into the diseased root canal space.
5. Once the access preparation is complete, the dentist begins to "clean" the root canal space by removing the diseased pulp tissue, bacteria, and related irritants. This is done using special solutions and small flexible instruments, called "files." The solutions penetrate and clean areas of the canal where the instruments cannot physically reach.
6. As the root canal system is being cleaned, it is also being "shaped." Shaping is the process of enlarging the root canal space in such a way that it can be thoroughly cleaned and subsequently filled and sealed. A root canal space that is not properly shaped may still harbor bacteria.
7. Following cleaning and shaping procedures, the root canal space is ideally filled and sealed in all its dimensions by a dentist. This is most commonly accomplished using a sealing cement in combination with a unique material called "gutta percha." Gutta percha is a special material that can be softened with heat and then pressure molded to precisely fill the root canal space.
8. Once the tooth is three-dimensionally sealed, it is generally "provisionalized" (temporarily restored) until a more long-lasting protective restoration can be placed. A protective restoration helps minimize the chances of future tooth fracture.

By Clifford J. Ruddle, DDS, in collaboration with Philip M. Smith, DDS

Abscess Tooth Pain Means It's Time To See the Dentist

A tooth abscess, sometimes called a root abscess, is a pus-filled bacterial infection located at the point where the root of a tooth meets the jawbone. Sounds gross, right? Well, it totally is. It's also very painful, and can lead to serious health complications, up to and including death.

An abscessed tooth is one dental accessory you can definitely do without. The best way to avoid dental abscesses is to practice good oral hygiene all of the time. Many tooth abscesses begin with simple tooth decay or gum disease. Over time, these dental problems let bacteria reach deep within teeth and other parts of the mouth.

Teeth Abscesses Can Have Dangerous Consequences

Abscessed teeth can happen any time bacteria can reach inside of the teeth or gums. This can be because of untreated dental decay, periodontal disease, cracked dental work, or unsuccessful root canal treatment. Even a tooth injury can leave a tooth cracked and vulnerable to bacteria.

If you don't treat an abscessed tooth, tooth damage will become more severe, and the infection can spread. In the worst-case scenario, a dental infection can actually spread to your brain and kill you. (Maybe remembering that your teeth are so close to your brain will help motivate you to take better care of them!)

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.