TürkçeFacial nerve repair is the reconstruction and restoration of the function of the facial nerve that has been damaged due to various traumas, surgeries, or diseases using microsurgical techniques. Aiming to eliminate movement loss caused by facial paralysis, this procedure restores facial expressions and symmetry by re-establishing the transmission of signals from the brain to the facial muscles. Performed by a plastic and aesthetic surgery specialist, this delicate tissue repair is one of the most effective solutions for restoring vital movements such as smiling and closing the eyes, which significantly influence the patient’s social life. Restoring disrupted nerve conduction not only repairs physical function but also rebuilds the individual’s ability to express emotions and self-confidence.
| Facial nerve repair | Facial nerve repair is a surgical procedure aimed at restoring the function of the facial nerve damaged by trauma, tumor surgery, sharp injuries, or other causes. The primary goal is to restore facial expressions, eyelid closure, lip movements, and facial symmetry as much as possible. |
| Objectives | To restore facial muscle movement, improve facial symmetry, help protect the eye, support speech and eating functions, and improve quality of life. |
| Who can undergo the procedure? | Patients with facial nerve transection, individuals with post-traumatic nerve injury, patients who develop nerve loss during tumor removal, and selected cases of congenital or acquired facial paralysis. |
| Surgical planning | A personalized plan is created by considering the location of the injury, the length of the nerve defect, the duration of paralysis, the viability of the facial muscles, the patient’s age, general health condition, imaging findings, and electrophysiological evaluations. |
| Methods used | Direct nerve repair, nerve graft repair, nerve transfer, muscle transfer, and when necessary, static or dynamic reconstruction techniques may be performed. |
| Direct nerve repair | If the nerve ends can be approximated without tension, they are sutured directly using microsurgical techniques. This is one of the most ideal options in suitable cases. |
| Nerve graft | If there is a gap between the nerve ends, continuity may be restored using a nerve graft harvested from another part of the body. |
| Nerve transfer | When direct repair is not possible, another healthy functioning nerve branch may be used to restore nerve signals to the facial muscles. |
| Muscle transfer | In long-standing facial paralysis where the facial muscles have lost their function, movement may be restored by transferring muscle from another part of the body. |
| Microsurgery | Most nerve repair procedures are performed under an operating microscope using extremely fine suture materials. |
| Anesthesia | Depending on the extent of the procedure, it is generally performed under general anesthesia. |
| Operation duration | Depending on the extent of surgery, it may take approximately 2–10 hours or even longer. |
| Hospital stay | Depending on the extent of the procedure, same-day discharge or hospitalization for several days may be required. |
| Recovery process | Nerve tissue heals slowly. Regrowth of nerve fibers may take months, and complete recovery may take 1–2 years in some patients. |
| When results become apparent | Improvement in muscle movement generally begins to appear weeks or months after surgery. Recovery time varies according to the severity of the injury and the technique used. |
| Physical therapy and rehabilitation | Facial exercises, facial expression training, neuromuscular rehabilitation, and, when necessary, speech therapy are important components of treatment. |
| Possible risks | Bleeding, infection, wound healing problems, unsuccessful nerve repair, permanent weakness, asymmetry, involuntary facial movements (synkinesis), sensory changes, pain, scarring, and the need for additional surgery may occur. |
| Eye protection | In patients who cannot completely close the eyelid, artificial tears, eye ointments, eye closure techniques, or additional surgical procedures may be required to prevent corneal damage. |
| Pain | Postoperative pain can generally be controlled with prescribed medications. |
| Care | Keeping the surgical area clean, performing regular wound care, following the physician’s recommendations, avoiding smoking, and adhering to the rehabilitation program support recovery. |
| Factors affecting success | The time between injury and surgery, the patient’s age, the length of the nerve defect, preservation of muscle viability, the surgical technique used, and adherence to rehabilitation are important factors affecting the outcome. |
| Long-term follow-up | Facial movements, muscle function, and nerve recovery are monitored through regular clinical evaluations. Additional procedures may be planned when necessary. |
| Conditions requiring urgent evaluation | Immediate medical attention should be sought if severe bleeding, high fever, foul-smelling discharge, rapidly increasing swelling, uncontrolled pain, wound separation, vision problems, or significant eye dryness and signs of eye injury develop. |
What Is Facial Nerve Repair?
You can think of the facial nerve as the main electrical wiring that powers the lights in the rooms of your home. Our brain is the main switch, while our facial muscles are the lights in those rooms. The facial nerve is the very cable that carries electricity from the switch to the lights.
This nerve originates from the brainstem and travels through an extremely narrow and long bony canal inside the skull before reaching the face. Facial nerve repair is the microsurgical reconstruction of this electrical cable when it is severed, crushed, or loses its function, using operating microscopes that provide enormous magnification and sutures even finer than a strand of human hair.
Our goal is not merely to reconnect the cable but to create a secure bridge that allows the tiny electrical fibers inside it to grow back toward the muscles. Facial nerve repair is an intricate procedure requiring patience, extreme precision, and respect for delicate tissues. The objective is not only to restore movement but also to enable the patient to close the eye comfortably, eat without difficulty, prevent liquids from leaking from the corner of the mouth while drinking, and most importantly, see their natural smile reflected in the mirror once again.
In Which Situations Is Facial Nerve Repair Necessary?
Not every case of facial paralysis requires surgical repair. The most commonly recognized type of facial paralysis is Bell’s palsy, which develops suddenly due to exposure to cold or a viral infection. In the vast majority of these cases, because the nerve sheath remains intact, recovery occurs spontaneously over time, sometimes with medication and sometimes with physical therapy support. However, when the nerve fibers are anatomically severed or severely damaged, spontaneous recovery is unfortunately not possible.
In such cases, when it is confirmed that the continuity of the nerve has been physically interrupted, surgical options are considered. Sometimes the cause is severe external trauma, while in other cases it is the unavoidable consequence of a necessary medical procedure.
The main conditions requiring facial nerve repair include:
- Traffic accidents
- Falls from height
- Head injuries
- Sharp object injuries
- Tumor surgeries
- Salivary gland surgeries
- Congenital syndromes
- Birth trauma
How Is the Damage Identified Before Facial Nerve Repair?
Before carrying out any repair, it is essential to determine exactly where the problem is located, where the nerve has been interrupted, and how extensive the damage is. Facial nerve repair is never planned based on assumptions. During the initial consultation, the patient’s facial movements are examined very carefully. The degree of eyelid closure, the ability to wrinkle the forehead, and the position of the corner of the mouth are all individually assessed.
The facial nerve not only controls muscle movement but also contributes to tear production, taste sensation, and salivary gland function. Therefore, evaluating these functions provides valuable clues regarding the location of the injury. However, the most definitive assessment is obtained using devices that measure the electrical conductivity of the nerves.
The methods used to identify the damage include:
- Physical examination
- Tear production test
- Taste test
- Saliva measurement
- Hearing tests
- Electromyography
- Computed tomography
- Magnetic resonance imaging
How Is Facial Nerve Repair Performed?
Facial nerve repair surgery is one of the most delicate procedures in medicine, performed with the precision of a master watchmaker using advanced technological tools. After the patient is placed under anesthesia, carefully planned incisions are usually made within natural skin creases or behind the ear to conceal the scars aesthetically. Once the nerve is identified, the surgeon works under a specialized operating microscope. These microscopes magnify the surgical field many times over, allowing nerve fibers invisible to the naked eye to appear like large cables.
The surgical instruments used are so delicate that many have tips the size of a mosquito’s needle. The sutures used are even finer than a strand of human hair. The surgeon identifies the healthy ends of the nerve, carefully removes dead or crushed tissue millimeter by millimeter, and meticulously brings the healthy nerve ends together. The most important rule at this stage is that there must be absolutely no tension between the repaired nerve ends. If tension is present, the repair will not hold, and healing will not occur.
What Facial Nerve Repair Techniques Are Used in Early Cases?
If only a short time has passed since the injury or nerve transection, meaning within the first few weeks or months, the available treatment options are quite different. At this stage, the facial muscles are still alive and waiting for electrical stimulation. If the nerve ends are close enough together, they are directly sutured end-to-end under the microscope. This is the scenario that provides the fastest and most efficient recovery.
However, sometimes a portion of the nerve has been lost due to trauma or tumor removal, leaving a gap that cannot be closed directly. In such situations, an extension cable must be placed between the ends to avoid tension. The human body contains certain “spare” sensory nerves that can be removed without causing significant functional loss, resulting only in numbness over a small area of skin. A segment of one of these nerves is harvested and sutured into the facial defect to serve as a bridge.
The most common donor sites for nerve grafts include:
- Leg region
- Neck region
- Ankle
- Behind the ear
Which Methods Are Used for Facial Nerve Repair in Delayed Cases?
If facial paralysis has been present for approximately 1.5 to 2 years, the situation becomes considerably more challenging. Facial expression muscles that remain unstimulated for such a long time gradually waste away, weaken, and eventually lose their function completely. At this stage, even if the severed nerve is repaired, movement cannot return because there is no functioning muscle left to activate. In these delayed cases, both a new electrical source and a new motor (muscle) are required.
This is usually achieved by transferring a muscle from another part of the body to the face. The muscle, together with its own blood vessels and nerve, is carefully positioned on the paralyzed side of the face to elevate the corner of the mouth. The blood vessels are connected to facial vessels to ensure the muscle survives, while the muscle’s nerve is connected either to the healthy facial nerve on the opposite side or to another functioning nerve, such as the one controlling the chewing muscles.
Common donor sites for muscle transfer include:
- Inner thigh
- Chewing muscle region
- Temple region
- Back region
What Can Be Done Instead of Facial Nerve Repair in Elderly Patients?
Microsurgical nerve and muscle transfers are lengthy procedures that can place considerable strain on the body, with results becoming evident only after months or even years. If the patient’s overall health cannot tolerate such prolonged surgery or the patient is of advanced age, waiting months for nerve regeneration may not be practical. In these cases, the objective is not to restore movement but rather to correct facial deformity, eliminate sagging, and immediately improve the patient’s quality of life.
In this approach, the nerves are not repaired. Instead, mechanical lifting and suspension procedures are performed. A small weight is inserted into the upper eyelid to facilitate eye closure, while the lips and cheeks are suspended upward beneath the skin using specialized materials. As a result, facial asymmetry is corrected immediately after surgery, the patient can eat more comfortably, and the risk of eye dryness is significantly reduced.
Materials commonly used in these static procedures include:
- Gold weights
- Platinum plates
- Synthetic sutures
- Fascial grafts
- Biocompatible suspension materials
Recovery Process After Facial Nerve Repair
Once the surgery is completed, both the patient and the surgeon enter a long period requiring patience but also filled with hope. Unlike many cosmetic or general surgical procedures where results become visible once the sutures are removed, facial nerve repair does not produce immediate improvements. Once the nerve has been repaired, the nerve cells must grow millimeter by millimeter beyond the repair site toward the muscles, much like a seed sprouting after being planted in the soil. This growth occurs at an average rate of 1–2 millimeters per day.
During the first few months, you may notice no changes in your face. Although this may be discouraging, it is simply how biological healing progresses. After months of this invisible recovery journey, mild muscle twitches and tingling sensations generally begin around the sixth month. The previously expressionless and drooping appearance of the face gradually starts to improve. By the end of the first year, voluntary movements such as lifting the corner of the mouth and smiling usually become noticeable. Achieving the final result of recovery may take up to two years.
The key milestones during recovery include:
- First month
- Third month
- Sixth month
- Ninth month
- Twelfth month
- Eighteenth month
What Should Patients Pay Attention to After Facial Nerve Repair?
Protecting the delicate nerve fibers that have been meticulously repaired under the microscope is crucial to the success of the surgery. No matter how flawlessly the operation is performed, failure to follow postoperative instructions may compromise the outcome. During the first weeks, the surgical area should never come into contact with water and must be carefully protected from any impact.
Because the nerves are joined together with extremely fine sutures, any movement that creates tension in the area should be avoided. Severe coughing, excessive straining due to constipation, or lifting heavy objects can increase pressure in the neck and facial region, potentially damaging the repair. Furthermore, exposing the face to excessive cold or strong wind can slow blood circulation in the area and negatively affect healing.
Patients should strictly avoid the following during the postoperative period:
- Lifting heavy objects
- Straining
- Forceful coughing
- Sleeping face down
- Starting massage too early
- Exposure to cold
- Remaining in windy environments
How Should Eye Health Be Protected After Facial Nerve Repair?
One of the most serious consequences of facial paralysis is the inability to close the eyelid completely. The eyelid functions like a windshield wiper, lubricating and cleaning the eye with every blink. If the eye remains open, the transparent cornea rapidly becomes dry. This dryness can quickly lead to corneal ulcers, severe pain, and, if left untreated, serious complications including vision loss.
Because it may take months for the eyelid to regain movement after nerve repair, protecting the eye during this waiting period becomes one of the patient’s most important daily responsibilities. During the day, artificial tears should be applied frequently to keep the eye continuously lubricated. At night, since eye drops evaporate quickly, thicker ointments or gels should be used, and the eye should be completely covered with a protective patch. When outdoors, protecting the eye from the drying effects of the wind is also essential.
Supportive aids that should be used to protect eye health include:
- Artificial tears
- Eye ointment
- Antibiotic gel
- Transparent tape
- Eye patch
- Large sunglasses
What Are the Dietary Recommendations After Facial Nerve Repair?
Whenever tissue repair occurs in the body, the system requires proper fuel and high-quality building blocks. Nutrition plays an important role in enabling nerve cells to regenerate and rebuild the protective myelin sheath surrounding them. During this period, foods that burden the body and promote inflammation, such as excessive sugar and processed products, should be avoided, while clean, nutrient-rich foods that support cellular repair should be emphasized.
B-complex vitamins are particularly important for nerve healing. In addition, foods rich in omega-3 fatty acids and high-quality proteins positively influence the speed of recovery. If your physician prescribes corticosteroids to reduce postoperative swelling, reducing salt intake to a minimum is extremely important to prevent fluid retention.
The main nutrients supporting the recovery process include:
- Salmon
- Eggs
- Almonds
- Walnuts
- Spinach
- Broccoli
- Olive oil
Which Factors Affect the Success of Facial Nerve Repair?
As with every medical procedure, several factors that vary from one individual to another influence the success of this highly delicate operation. Even when the same technique is performed under the same microscope, the outcomes may differ between patients. The most critical factor is the time between the onset of paralysis and the operation. Since muscles gradually waste away in the absence of nerve stimulation, earlier intervention generally results in more satisfactory outcomes.
The patient’s age is another important variable. Younger patients typically experience faster and stronger recovery after nerve repair because their cells regenerate more rapidly and their bodies have greater healing capacity. Smoking, on the other hand, impairs the tiny blood vessels and reduces oxygen delivery to tissues, making it one of the greatest obstacles to nerve regeneration. In addition, the patient’s commitment to physical therapy and motivation to perform facial exercises consistently over many months provide the finishing touch to surgical success.
The main factors determining the success of the process include:
- Timing
- Patient’s age
- Smoking
- Dietary habits
- Physical therapy
- Psychological motivation
- Consistency with exercises
Frequently Asked Questions
Facial nerve repair is a treatment aimed at surgically restoring damage to the facial nerve responsible for facial muscle movement. It may be performed after trauma, tumor surgery, or facial nerve transection.
Facial asymmetry, an uneven smile, inability to close the eyelid, reduced eyebrow movement, and drooping of the corner of the mouth are among the most common signs of facial nerve injury.
The surgical technique depends on the severity of the nerve injury. The nerve ends may be directly reconnected, a nerve graft may be used, or different nerve transfer procedures may be performed to restore stimulation to the facial muscles.
A nerve graft may be preferred when there is a gap between the nerve ends that is too large to allow direct repair. In this method, nerve tissue taken from another part of the body is used for reconstruction.
The outcome depends on the location, duration, and severity of the injury. While facial movements may return to a great extent in some patients, others may achieve only partial recovery and require additional rehabilitation.
Facial muscles that remain unstimulated for a long time may gradually lose their function. Therefore, early surgical evaluation in suitable patients is an important factor that may improve the potential for recovery.
Physical therapy and facial exercises are important components of the recovery process. Rehabilitation programs may help retrain the muscles and support improvements in facial symmetry.
Complications such as infection, bleeding, wound healing problems, lower-than-expected functional recovery, and facial asymmetry may occur. The risks may vary depending on the surgical technique used.
Because nerve tissue regenerates slowly, recovery may take several months. Although the first results may appear within a few months, complete evaluation of nerve regeneration and functional improvement generally requires a much longer period.
Successful facial nerve repair may help restore facial expressions, improve eye protection, and enhance facial symmetry. These improvements can positively influence social life, communication, and self-confidence.
He completed his medical education at Ankara University Faculty of Medicine in 1996 and his specialty training between 1996–2002 at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.
Between 2002–2009, he worked at Süleyman Demirel University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.
Since 2009, he has been working at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery. He received the title of Associate Professor in 2011. Dr. Nasır became a Professor in 2019 and continues to work as a faculty member in this position.
Between 2006–2008, he conducted studies on composite tissue transplantation at the Cleveland Clinic in Ohio, USA, together with Dr. Siemionow, who performed the first face transplant in the United States and the second in the world.
In 2012, he successfully performed Turkey’s second face transplant, which was the third among full face transplants in the world and the 22nd overall. Simultaneously with this face transplant, the world’s first quadruple limb transplant was carried out at Hacettepe University by a large team under his leadership.
He won second-place awards in the experimental and clinical specialist competitions at the 31st and 32nd National Plastic, Reconstructive and Aesthetic Surgery Congresses. In 2023, he completed his doctorate in Hand Surgery at Hacettepe University Faculty of Medicine.
He is a member of the American Society of Reconstructive Microsurgery, Plastic Surgery Research Council, Turkish Society of Plastic, Reconstructive and Aesthetic Surgery, Reconstructive Microsurgery Association, and Turkish Society for Surgery of the Hand and Upper Extremity.
