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Apicoectomy

What Is It?
What It's Used For
Preparation
How It's Done
Follow-Up
Risks
When To Call a Professional
Additional Info

What Is It?
Your teeth are held in place by roots that extend into your jawbone. Front teeth usually have one root. Other teeth, such as your premolars and molars, have two or more roots. The tip or end of each root is called the apex. Nerves and blood vessels enter the tooth through the apex. They travel through a canal inside the root, and into the pulp chamber. This chamber is inside the crown (the part of the tooth you can see in your mouth).

During root canal treatment, your dentist cleans the canals using special instruments called files. Inflamed or infected tissue is removed. An apicoectomy may be needed when an infection develops or won't go away after root canal treatment or retreatment.

Root canals can be very complex, with many tiny branches off the main canal. Sometimes, even after root canal treatment, infected tissue can remain in these branches. This can possibly prevent healing or cause re-infection later. In an apicoectomy, the root tip, or apex, is removed along with the infected tissue. A filling is then placed to seal the end of the root.

An apicoectomy is sometimes called endodontic microsurgery because it is often done using an operating microscope.

What It's Used For
If a root canal procedure has been done in the past and it becomes infected again, it's often because of a problem near the apex of the root. In many cases, a second root canal treatment is considered before an apicoectomy. With advances in technology, dentists often can detect other canals that were not adequately treated. In this case, they may be able to clear up the infection by doing a second root canal procedure. This will avoid the need for an apicoectomy.

An apicoectomy is done only after a tooth has had at least one root canal procedure and retreatment has not been successful or is not possible. For example, retreatment is often not a good option when a tooth has a crown or is part of a bridge. Retreatment of the root canal would require cutting through the crown or bridge. That might destroy or weaken the crown or bridge. An apicoectomy is often considered in a situation like this.

An apicoectomy is not the same as a root resection. In a root resection, an entire root is removed, rather than just the tip

Preparation
Before the procedure, you will have a consultation with your dentist. A general dentist with advanced training may do an apicoectomy. However, with the advances in endodontic microsurgery most patients are referred to an endodontist or to an oral and maxillofacial surgeon. An endodontist has at least two years of extra education in diagnosis and root canal treatment, including apicoectomies. Oral and maxillofacial surgeons are dentists who have an extra four to six years of training in surgery.

Before the surgery, your dentist may take more X-rays of the tooth and surrounding bone. You may be given an antimicrobial mouth rinse, a medicine to reduce inflammation, and/or antibiotics.

Your dentist also will review your medical history. Make sure you tell your dentist of all medicines you take. This includes over-the-counter medicines, vitamins and supplements. Depending on other existing medical conditions, your dentist may consult with your physician before the procedure.

How It's Done
The endodontist will make a small incision (cut) in your gum and lift the gum away from the tooth and bone. The dentist may need to use a drill to gain access to the root. The infected tissue will be removed along with the last few millimeters of the root tip. The endodontist may use a dye to highlight cracks and breaks in the tooth. If the tooth has large cracks or breaks, it may need to be extracted. In this case, the apicoectomy will not continue.

To complete the apicoectomy, the endodontist will clean and seal the end of the tooth's canal. The cleaning usually is done under a special microscope using ultrasonic instruments. The light and magnification allow the endodontist to see the area clearly. This increases the chance that the procedure will succeed. The endodontist then will take an X-ray of the area before stitching the tissue back in place.

Most apicoectomies take 30 to 90 minutes. The length will depend on the location of the tooth and the complexity of the root structure. Procedures on front teeth are generally the shortest. Those on lower molars generally take the longest.

Follow-Up
Your endodontist will tell you which medicines to take and what you can eat or drink. You should apply ice to the area, alternating 20 minutes on and 20 minutes off. Do this for 10 to 12 hours after the surgery, and rest during this time.

The area may bruise and swell. It may be more swollen the second day after the procedure than the first day. Any pain usually can be controlled with over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofem (Advil, Motrin and others). In some cases, you may be given a prescription for pain medicine. If so, follow the instructions for taking it.

To allow for healing, avoid brushing the area or rinsing vigorously. Don't smoke or eat crunchy or hard foods. Do not lift your lip to examine the area. This can loosen the stitches and disrupt formation of the blood clot that is needed for healing.

You may have some numbness in the area for days or weeks after the surgery. If so, tell your dentist about it. The numbness usually goes away with time.

Your stitches may need to be removed 2 to 7 days after the procedure, or they may dissolve by themselves. All soreness and swelling are usually gone within 14 days.

Even though an apicoectomy is considered surgery, many people say that recovering from it is easier than recovering from the original root canal treatment.

Risks
The endodontist will review the risks of the procedure at the consultation visit. Make sure to ask questions if something the dentist has told you is not clear. The main risk is that the surgery may not work and the tooth may need to be extracted.

Depending on where the tooth is located, there may be other risks. If the tooth is in the back of your upper jaw, the infection can involve your sinuses. Your dentist may suggest or prescribe antibiotics and decongestants.

The roots of the back teeth in the lower jaw are close to some major nerves. Surgery on one of these teeth carries a slight risk of nerve damage. However, your endodontist will use your X-rays to see how close the roots are to the nerves. The chance of nerve damage is extremely small.

An apicoectomy is usually a permanent solution. It should last for the life of the tooth.

When To Call a Professional
If you're having any pain or swelling from a tooth that has had root-canal treatment, contact your dentist. Sometimes after a root canal a pimple develops near the tooth. This pimple will often go away and then come back. This is called a fistula. You may notice pus draining from the fistula. The fistula is a sign that there is an infection and your body is draining it out through the pimple. There is usually no pain in this situation, but you may notice a bad taste or odor in your mouth.

Additional Info

American Association of Endodontists
211 East Chicago Ave.
Suite 1100
Chicago, IL 60611-2691
Phone: 312-266-7255
Toll-Free: 1-800-872-3636
www.aae.org

©2002-2013 Aetna, Inc. All rights reserved.

10/07/2013

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