Nelson Family Dentistry
"We Cater to Super Cowards"
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Natural teeth are meant to last a lifetime. Even if one of your teeth should become critically injured or diseased, it can oftentimes be saved through a specialized dental procedure known as endodontic treatment. Although this technique, popularly called root canal therapy has been around for several decades, recent advances in the field of endodontics have made root canal therapy almost a routine procedure.
To help you understand when and why such a procedure might be needed and how a damaged tooth can be saved, we have answered some of the most frequently asked questions about endodontic treatment.
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Endodontics is the area of dentistry concerned with the prevention, diagnosis, and treatment of disorders of the dental pulp (the tooth's soft core). Years ago, teeth with diseased or injured pulps were extracted. Today endodontic treatment gives dentist a safe and effective means of saving teeth.
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What is the Dental Pulp?
The pulp is a soft tissue that contains the nerves, arteries, veins, and lymph vessels of a tooth. It lies within the dentin, the bone like tissue that supports the enamel. Within the dentin, the pulp extends from the pulp chamber in the crown (the portion of the tooth visible above the gums) down to the tip of the root by way of the root canal (see figure A). All teeth have only one pulp chamber, but teeth with more than one root will have more than one canal.
What Happens to the Damaged Pulp?
When the pulp is diseased or injured and unable to repair itself, the pulp dies. The most common cause of pulp death is a fracture or a deep cavity that exposes the pulp to saliva. The bacteria found in saliva cause infection inside the tooth. Left untreated, the infection eventually causes the pulp to die (see figure B).
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Pus builds up at the root tip, forming an abscess that can destroy the supporting bone that surrounds the tooth.
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Why Does the Pulp Need to be Removed?
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If the damaged or diseased pulp is not removed, the tooth and surrounding tissues become infected. Pain and swelling may accompany the infection. Even in the absence of pain, certain byproducts of a diseased pulp can injure the bone that anchors your tooth in the jaw. Without endodontic treatment, your tooth will eventually have to be removed.
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What Does Endodontic Treatment Involve?
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Treatment usually requires from one to three appointments. During these treatments, your dentist or endodontist (a dentist who specializes in disorders of the pulp) removes the diseased pulp. The pulp chamber and root canal(s) of the tooth are then cleaned, shaped, filled and sealed to prevent recontamination of the root canal system.
Here is how your tooth is saved through endodontic treatment:
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1. First the tooth is isolated from the saliva with a rubber dam (a sheet of rubber placed around the tooth). An opening is then made through the crown of the tooth into the pulp chamber (see figure C). You may be given a local anesthetic prior to this step so that you will be more comfortable during treatment.
2. The pulp is then carefully removed from both the pulp chamber and root canal(s). The root canal(s) is cleaned, enlarged, and shaped to a form that can be properly filled (see figure D).
3. Medication may be put into the pulp chamber and root canal(s) between appointments to help eliminate bacteria and prevent infection.
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4. A temporary filling will be placed in an opening in the crown of the tooth to protect the pulp chamber and root canal(s). If the pulp was severely infected, your dentist may leave the tooth open for a few days to drain. You may also be given antibiotics to help the body control infection that has spread beyond the tooth.
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5. During the next stage of treatment, the temporary filling is removed. The pulp chamber and root canal(s) are then filled and permanently sealed with a material that prevents bacteria from re-entering the canal (see figure E).
6. In the final step, a gold or porcelain crown is usually placed over the tooth to restore the tooth's structure, function, and appearance (see figure F). If an endodontist performs the treatment, he or she will recommend that you return to your family dentist for this final step.
The type of material used for the crown will depend on where the tooth is located in your mouth, the color of the tooth, and the amount of natural tooth remaining. A front tooth that affects appearance, for instance, most likely will be restored with porcelain or a porcelain-fused-to-metal crown. When a back tooth has been badly fractured or decayed, a gold or porcelain-fused-to-metal crown may be used.
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Why Couldn't you just Remove the Tooth?
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The choice is yours, but there are many disadvantages to losing a tooth. When a tooth is removed and not replaced, the teeth next to the empty space begin to shift from their normal position. This may cause teeth to become crooked or crowded, which decreases chewing and biting efficiency. Crowded or crooked teeth may be more prone to dental disease because they are harder to keep clean than properly aligned teeth. As a result, other teeth may be lost if the missing tooth is not replaced.
A replacement tooth (an implant or a bridge) is usually more expensive than endodontic treatment and involves more extensive dental procedures on adjacent teeth.
Endodontic treatment can safely and comfortably save a tooth that otherwise would have to be removed. In fact, root canal therapy is successful approximately 95% of the time. Remember, a healthy restored tooth is always better than an artificial one.
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How Long Will the Restored Tooth Last?
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Your endodontically treated and restored tooth could last a lifetime, if you continue to care for your teeth and gums. As long as the root(s) of an endodontically treated tooth are properly nourished by the surrounding tissues, your tooth will remain healthy.
In order to maintain healthy tissues and prevent future dental disease, you should:
- Brush with an A.D.A. accepted fluoride toothpaste twice daily.
- Clean between your teeth once daily.
- Eat balanced meals and reduce the number of times you eat sugar-rich foods.
- Use fluoride daily.
- Visit your dentist regularly.
These measures will help you keep your natural teeth and enjoy good dental health for a lifetime.
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For more information:
Nelson Family Dentistry
4491 W. Northern Ave.
Glendale, AZ 85301 US
Email: 2uthdoc@cox.net
Office: (623) 931-5321
Fax: (623) 939-5108
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