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Prof. Dr. Beynun Akyavas Avenue No:33/AA, 34680 Uskudar/Istanbul, Turkiye.

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Root-end surgery, known in medical terms as apical resection, is the surgical removal of persistent infections, cysts, and inflammatory tissues occurring at the root tip of teeth that fail to heal despite successful root canal treatment or cannot undergo traditional root canal treatment due to anatomical reasons. As the final and most effective surgical intervention used to save a tooth from extraction, this method is a critical preventive treatment that ensures the natural tooth is retained within the jawbone. At Dentmetrik, with our advanced microsurgical techniques, 3D imaging systems, and experienced specialist staff, we perform root-end surgery with high success rates, allowing you to use your own teeth healthily for many years without losing them.

Definition and Purpose of Root-End Surgery (Apical Resection)

Root-end surgery (apical = root tip, resection = cutting and removing) is the procedure of surgically cutting and removing the very end portion of the tooth root (approximately a 3-millimeter section) remaining within the jawbone, along with the pathological (diseased) tissues nested in that area. In traditional root canal treatments, the root canals are cleaned by entering the tooth from the crown (top) part. However, in some cases, bacteria leak into complex lateral canal networks at the root tip and spread into the jawbone, initiating bone destruction known as a 'periapical lesion' or 'jaw cyst.'

The primary medical purpose of this surgical operation is to halt this destruction within the jawbone and retain the tooth in the mouth by completely sealing the root tip (retrograde filling), which is the source of the bacterial leakage. The fundamental rule in dentistry is that the patient’s own natural tooth is always the best, most compatible, and most valuable biological material. Apical resection aims to eradicate the infection at its root, relieving the patient of severe abscess pain, gum swelling, and chronic inflammatory discharge (fistula). Performing this surgery instead of extraction is a medical rescue operation that protects the patient from much more costly, lengthy, and tiring alternative treatment processes, such as implants or bridge prostheses, which would be needed in the future.

Types and Applications of Root-End Surgery (Apical Resection)

While root-end surgery generally shows technical differences based on the position of the tooth in the mouth (front teeth or posterior molars), it fundamentally follows a single standard procedure. However, the application areas of this procedure and the cases in which it is a mandatory medical necessity are highly specific. The primary situations where apical resection is frequently applied at Dentmetrik clinics are:

  1. Unsuccessful Root Canal Treatments: In teeth that have previously undergone standard root canal treatment but where the infection at the root tip has not cleared, causing the patient constant pain and sensitivity during chewing.
  2. Anatomical Canal Obstructions: In cases where the root canals are structurally extremely curved or completely blocked due to age-related calcification, preventing reaching the root tip with files.
  3. Broken Instruments Inside the Root: When instruments such as canal files break at the root tip during previous root canal attempts and cannot be removed, preventing the infection from being fully cleaned.
  4. Large-Scale Dental Cysts: In cases where the inflammatory lesion (granuloma) or cyst at the root tip has reached a diameter so large that it cannot heal by merely renewing the root canal treatment (retreatment) and is eroding the jawbone.
  5. Overextended Canal Fillings: When filling pastes or gutta-percha material used during root canal treatment overflow from the root tip into the jawbone, and the body shows a foreign body reaction (persistent pain) to it.
  6. Teeth with Unremovable Prostheses: On teeth with porcelain/zirconium crowns or posts (metal pins) placed inside the root, if removing these structures to renew the root canal treatment would completely break the tooth, the root tip is intervened from the outside by directly opening the gum.

The Procedure and Process

The apical resection process is a highly detailed procedure requiring microscopic precision, carried out by maxillofacial surgery or endodontics (root canal treatment) specialists. First, a 3D Dental Tomography (CBCT) of our patient is taken. This tomography allows for the millimetric analysis of the exact size of the cyst inside the jawbone, the position of the root tip, and its distance from important anatomical structures (sinus cavity or mandibular nerve) in a 3D environment.

The operation stage begins with the application of a strong local anesthesia to the area of the relevant tooth. The patient feels absolutely no pain or ache during the procedure. The gum tissue (flap) aligned with the tooth is carefully separated with a small, aesthetic incision to reach the jawbone. If necessary, a small window is opened in the bone to make the inflamed area (cyst) completely visible. The maxillofacial surgeon thoroughly cleans the cystic tissue from inside the bone using special instruments. Then, the final 3-millimeter portion (apex) of the tooth root, which contains the impossible-to-clean lateral canals that are the primary source of infection, is cut and removed.

After the cutting process, the end of the root canal is cleaned by hollowing it out a few millimeters from the bottom up using ultrasonic tips. To prevent bacteria from leaking back into the jawbone, this opened space is tightly sealed with MTA (Mineral Trioxide Aggregate) or special bioceramic fillings (retrograde filling), which are tissue-friendly (biocompatible) and have excellent sealing properties. If the cleaned bone cavity is large, bone powder (graft) may be added to accelerate healing. Finally, the gum is repositioned and closed with fine sutures. The healing process generally takes one week. Slight swelling during this period is normal. After 7 days, the patient's sutures are removed, and the cut bone cavity is expected to fill with the patient’s own healthy bone over the following months.

What Are the Advantages of Root-End Surgery (Apical Resection)?

The most priceless advantage of root-end surgery is that it ensures a tooth condemned to extraction and appearing hopeless is saved and kept in the mouth. The chewing sensation and compatibility within the bone of your own natural tooth root can never be exactly matched by any artificial material (implants, etc.). This procedure prevents tooth loss, thereby stopping the entire chain reaction associated with missing teeth, such as neighboring teeth tilting into the gap, the elongation of opposing teeth, and mechanical erosion in the jawbone.

Because the surgical procedure completely removes the abscess and cyst at the root tip from the body, insidious or acute toothaches lasting for years, facial swelling, and bad taste/odor problems in the mouth are definitively and permanently resolved. Offering a success rate of over 90% in cases that do not respond to standard treatments due to anatomical difficulties, apical resection is a highly economical and time-saving solution for the patient. Instead of tooth extraction and implant processes that take months, patients quickly regain their healthy smiles and chewing functions with this micro-surgery completed in a single session.

To receive detailed information about root-end surgery (apical resection) prices, operation processes, and the international standard health tourism privileges we offer as Dentmetrik in Ankara, or to schedule an appointment, please contact us.

Frequently Asked Questions

Absolutely no. The procedure is performed by completely numbing the relevant area with local anesthesia. You will not feel any pain during the procedure. It is a micro-surgical intervention performed in clinical conditions with the comfort of a routine tooth extraction.

The procedure usually takes an average of 30-45 minutes for a single tooth. In root end surgeries performed with endodontic microscopes and proper indication, the success rate of keeping (saving) the tooth in the mouth is over 90%.

The primary goal in dentistry is to keep the patient's own natural tooth in the mouth. When you have your tooth extracted, you will have to have an implant or bridge done instead, which both takes much longer and costs much more than root end surgery. This surgery is the last and most valuable rescue chance for your tooth.

Applying intermittent cold compresses from the outside to the area for the first 24 hours prevents slight swelling that may occur. Extremely hot foods should be avoided for a few days, soft foods should be eaten, and the stitches in the wound area should not be played with using a brush or tongue. Your stitches will be removed after 1 week.

Since the inflammation at the root end is completely cleaned surgically and the root end is tightly plugged from behind with biocompatible materials (MTA) (retrograde filling), the probability of the cyst recurring (relapsing) is extremely low. Bone healing in the area is monitored with regular doctor check-ups.

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