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Apicoectomy – Root End Surgery Explained

An apicoectomy is a minor surgical dental procedure in which the tip of a tooth root is removed to treat persistent infection or inflammation that cannot be resolved by root canal treatment alone.

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Things worth knowing about "Apicoectomy"

An apicoectomy is a minor surgical dental procedure in which the tip of a tooth root is removed to treat persistent infection or inflammation that cannot be resolved by root canal treatment alone.

What is an Apicoectomy?

An apicoectomy, also known as root end resection or root end surgery, is a surgical dental procedure in which the tip of a tooth root (the apex) along with surrounding infected tissue is removed. The primary goal is to preserve the natural tooth and eliminate a chronic infection in the jawbone that could not be fully resolved through conventional root canal treatment.

Causes and Indications

An apicoectomy is typically recommended when conservative treatments have been insufficient. Common indications include:

Persistent inflammation at the root tip (periapical periodontitis) despite previous root canal treatment
Cysts or granulomas at the root tip that do not resolve on their own
Blocked or calcified root canals that prevent retreatment
Broken instruments inside the root canal that cannot be retrieved
Root perforation caused by previous dental procedures

Procedure

The procedure is typically performed on an outpatient basis under local anesthesia. The general steps include:

After administering local anesthesia, the gum tissue near the affected tooth is folded back to expose the underlying bone.
A small opening is made in the bone to access the root tip.
The root tip is surgically removed along with any infected tissue, such as a cyst or granuloma.
The end of the root canal is sealed from the inside using a special dental material (retrograde filling) to prevent reinfection.
The gum tissue is stitched back into place.

Preparation and Diagnosis

Before the procedure, one or more X-rays are taken to assess the location and extent of the infection. In some cases, a cone beam computed tomography (CBCT) scan is used to obtain a three-dimensional view of the jaw and surrounding structures. The patient´s general health status, including any blood-thinning medications, is reviewed in advance.

Aftercare and Healing

Following an apicoectomy, patients are advised to:

Rest and avoid putting pressure on the treated area for several days.
Apply a cold pack to the cheek to help reduce swelling.
Take prescribed pain relievers and antibiotics as directed.
Practice careful but gentle oral hygiene around the wound area.
Attend follow-up appointments to monitor healing.

Full bone healing may take several months to up to one year. Regular X-ray check-ups are important to track the healing process.

Risks and Complications

As with any surgical procedure, possible risks include:

Post-operative bleeding or swelling
Wound infection
Temporary numbness due to nerve irritation
Damage to adjacent teeth or anatomical structures
In rare cases, extraction of the tooth may still be necessary if healing does not occur

Success Rates

Apicoectomy is a well-established procedure with a high success rate. Studies report success rates between 80 and 95 percent when modern techniques and materials are used. Key factors for success include accurate diagnosis, the skill and experience of the treating clinician, and the patient's compliance with aftercare instructions.

References

German Society of Dentistry and Oral Medicine (DGZMK): Guidelines on Root End Resection. www.dgzmk.de
Rubinstein R. A., Kim S.: Short-term observation of the results of endodontic surgery with the use of a surgical operation microscope and Super-EBA as root-end filling material. Journal of Endodontics, 1999.
Setzer F. C., Shah S. B., Kohli M. R., Karabucak B., Kim S.: Outcome of endodontic surgery: a meta-analysis of the literature. Journal of Endodontics, 2010.

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