MMA Surgery for Sleep Apnea — Jaw Advancement as CPAP Alternative

What is MMA Surgery?

Maxillomandibular advancement (MMA) is a highly effective surgical procedure designed to treat severe obstructive sleep apnea. In simple terms, this surgery moves both your upper jaw (maxilla) and your lower jaw (mandible) forward. By repositioning these facial bones, the surgeon physically expands the airway in your throat. This creates significantly more room for oxygen to flow and prevents the soft tissues from collapsing while you sleep.

Obstructive sleep apnea occurs when the muscles in the back of your throat relax too much during sleep. This relaxation causes your airway to narrow or close completely. When your airway collapses, your brain senses a dangerous drop in oxygen and briefly wakes you up to reopen the airway. This exhausting cycle can happen dozens of times per hour, severely disrupting your rest. Over time, untreated sleep apnea increases your risk of high blood pressure, heart attacks, and strokes.

For many patients, a Continuous Positive Airway Pressure (CPAP) machine is the first line of defense. A CPAP machine blows a steady stream of air through a mask to keep the airway open. However, many people find the mask uncomfortable, claustrophobic, or difficult to tolerate every single night. MMA surgery serves as a powerful, permanent alternative to CPAP therapy. By permanently enlarging the skeletal framework of your airway, MMA surgery sleep apnea treatment often eliminates the need for nightly breathing machines.

The procedure does more than just move the bones. When the jaws are advanced, the attached soft tissues—including the tongue, soft palate, and throat muscles—are also pulled forward and tightened. This tightening prevents these tissues from falling backward into the throat when you lie down. As a result, patients experience a dramatic improvement in their breathing, a massive reduction in daytime sleepiness, and a complete halt to loud snoring.

Who Needs MMA Surgery?

MMA surgery is not the first treatment option for most patients with sleep apnea. Doctors typically recommend this procedure for individuals who have moderate to severe obstructive sleep apnea and cannot tolerate CPAP therapy. You might need this surgery if you have tried conservative treatments—such as weight loss, positional therapy, or custom dental appliances—without finding meaningful relief.

Certain physical characteristics make a person an ideal candidate for this procedure. Many patients who benefit from MMA have a specific facial profile, such as a recessed or "weak" lower jaw. This condition, known as retrognathia, naturally pushes the base of the tongue further back into the airway. In India, research shows that South Asian populations often possess a craniofacial structure that makes them highly susceptible to airway collapse. Because of this unique jaw structure, many Indian patients develop severe sleep apnea even if they are not significantly overweight.

You may be a candidate for this procedure if you experience the following conditions:

• Severe obstructive sleep apnea confirmed by a formal sleep study.
• Inability to sleep with a CPAP machine due to discomfort, mask leaks, or high pressure settings.
• Structural abnormalities in the jaw or face that physically restrict the airway.
• Persistent loud snoring that disrupts your partner's sleep and impacts your relationships.
• Chronic daytime fatigue, morning headaches, and difficulty concentrating despite trying other medical treatments.

Ideal candidates must also be in good general health. Because MMA is a major operation, you need a healthy heart and lungs to safely undergo general anaesthesia. Patients with severe, uncontrolled medical conditions or extreme obesity may need to manage those issues before qualifying for surgery. Your surgical team will evaluate your body mass index (BMI), medical history, and specific airway anatomy to determine if jaw surgery for snoring and sleep apnea is the safest, most effective path forward for you.

If you are struggling with CPAP intolerance and want to explore surgical options, you can learn more about our thorough approach on our Sleeping & Snoring Treatment page.

How MMA Surgery is Performed

MMA surgery is a complex, highly precise procedure performed in a hospital operating room. The entire operation takes place under general anaesthesia, meaning you will be completely asleep and pain-free throughout the process. The surgery typically lasts between three to five hours, depending on your specific anatomy and the exact bone movements required.

The procedure begins with the surgeon making incisions entirely inside your mouth. This internal approach so that you will not have any visible scars on your face or neck. Once the jaw bones are exposed, the surgeon performs a Le Fort I osteotomy on the upper jaw. This involves carefully cutting the bone horizontally above the roots of your upper teeth, allowing the entire upper jaw to be freed and moved forward.

Next, the surgeon performs a bilateral sagittal split osteotomy on the lower jaw. The surgeon makes precise cuts behind your back molars, splitting the lower jawbone in a way that allows the front section to slide forward smoothly. Both the upper and lower jaws are typically advanced by 10 to 12 millimeters. This specific distance provides the maximum expansion of the airway while maintaining a natural, balanced facial appearance.

Once the jaws are in their new, forward position, the surgeon secures them firmly in place. They use small, biocompatible titanium plates and screws to hold the bones together. These plates act as internal casts, keeping the jaws perfectly stable while the bone heals around them. Because the fixation is rigid and secure, your jaws will not need to be wired shut during your recovery.

After securing the bones, the surgeon carefully stitches the incisions inside your mouth using dissolvable sutures. You will then be moved to a recovery room where the medical team will closely monitor your breathing, heart rate, and oxygen levels as you wake up from the anaesthesia.

Most patients require a hospital stay of two to four days following MMA surgery. The first night is usually spent in an intensive care unit (ICU) or a highly monitored step-down unit. This allows the nursing staff to keep a close watch on your airway and manage your pain effectively during the important first 24 hours.

Preparing for MMA Surgery

Proper preparation is essential for a smooth surgery and a successful recovery. The preparation process begins several weeks before your scheduled operation. Your medical team will conduct a series of thorough pre-operative tests to ensure you are healthy enough for surgery and to map out the exact surgical plan.

You will need to undergo a recent sleep study, or polysomnography, to establish a baseline of your sleep apnea severity. The surgical team will also take detailed 3D imaging of your head and neck using a Cone Beam Computed Tomography (CBCT) scanner. These scans allow the surgeon to measure your airway volume and virtually plan the exact bone movements on a computer before you ever enter the operating room. You will also complete standard pre-operative blood tests, a chest X-ray, and an electrocardiogram (ECG) to check your heart function.

In the weeks leading up to your surgery, you must make several important lifestyle adjustments:

• Stop smoking and using any tobacco products at least four weeks before surgery, as nicotine severely restricts blood flow and delays bone healing.
• Pause blood-thinning medications, certain pain relievers, and herbal supplements that can increase bleeding risks, exactly as directed by your doctor.
• Prepare your home for recovery by stocking up on liquid and soft foods, such as protein shakes, blended soups, fruit nectars, and yogurt.
• Arrange for a trusted family member or friend to drive you home from the hospital and stay with you for the first few days.

On the day of your surgery, you must arrive at the hospital with an empty stomach. You will be instructed not to eat or drink anything for at least eight hours before your procedure. Bring loose, comfortable clothing that buttons or zips up the front, so you do not have to pull anything over your head after surgery. If you currently use a CPAP machine, bring it with you to the hospital. The medical team may use it to support your breathing while you recover from the anaesthesia.

Recovery After MMA Surgery

The recovery period following MMA surgery requires patience, rest, and strict adherence to your doctor's instructions. The first 24 to 48 hours are the most challenging part of the process. You will experience significant swelling in your face, lips, and cheeks. Your throat will likely feel sore from the breathing tube used during surgery, and you will have some nasal congestion. The hospital staff will provide intravenous (IV) pain medication to keep you comfortable and use ice packs to help manage the facial swelling.

During the first week at home, your primary focus will be on resting and staying hydrated. Your diet will be strictly liquid. Because your jaw bones are healing, you cannot chew any food whatsoever. You will consume nutrient-dense liquids like protein shakes, meal replacement drinks, and smooth broths. You must use a syringe or a cup to drink, as using a straw can create suction that disrupts the healing incisions inside your mouth.

By the second and third weeks, the facial swelling will begin to subside noticeably. Your energy levels will slowly return, but you will still feel fatigued more easily than usual. At this stage, your doctor will likely transition you to a pureed or very soft diet. You can eat foods like mashed potatoes, scrambled eggs, and well-cooked pasta that do not require any hard chewing. You can also begin taking short, gentle walks around your house to promote blood circulation, but you must avoid any strenuous exercise.

Between weeks four and six, the bone healing progresses significantly. The titanium plates hold the jaws securely, but the bone itself takes about six weeks to achieve initial fusion. You will gradually reintroduce more solid foods into your diet based on your surgeon's guidance. Most patients with desk jobs or light duties can return to work around the three to four-week mark.

Full recovery from MMA surgery takes several months. You must adhere to specific activity restrictions to protect your healing jaws:

• Avoid heavy lifting, intense cardio, and bending over for the first four weeks.
• Do not participate in any contact sports or activities with a risk of facial impact for at least three to four months.
• Maintain excellent oral hygiene by gently rinsing with a prescribed antibacterial mouthwash after every meal.
• Attend all scheduled follow-up appointments so your surgeon can monitor your bone healing through X-rays.

Risks and Complications

Like any major surgical procedure, MMA surgery carries certain risks. However, when performed by an experienced maxillofacial surgeon, the procedure is generally very safe. Understanding these risks helps you make an informed decision about your sleep apnea treatment.

Common, minor risks during the recovery period include:

• Facial swelling and bruising: This is an expected part of the healing process and peaks around the third day before gradually fading over a few weeks.
• Temporary numbness: You will likely experience numbness in your lips, chin, and cheeks due to the stretching of facial nerves during surgery. This usually resolves within a few weeks to a few months.
• Minor bleeding: Slight oozing from the incisions inside the mouth or minor nosebleeds are common in the first few days.
• Nasal congestion: Swelling in the upper jaw often causes temporary stuffiness in the nasal passages, making mouth-breathing necessary for a short time.

Rare but serious complications can occur, though they are uncommon. These include post-operative infections, which are treated promptly with antibiotics. There is a small risk of malocclusion, meaning your upper and lower teeth may not fit together perfectly after surgery. If this happens, you may need orthodontic treatment to fine-tune your bite. In very rare cases, the numbness in the lower lip or chin can become permanent if a nerve is significantly damaged.

THANC Hospital takes extensive measures to minimize these risks. Our surgical team uses advanced 3D virtual surgical planning to map out every millimeter of the jaw movement before the operation begins. This precision reduces the time spent in the operating room and protects vital nerves and blood vessels. We also follow strict infection control protocols and provide thorough post-operative monitoring to ensure your safety at every step.

Results and Success Rate

The results of MMA surgery are often life-changing for patients suffering from severe sleep apnea. By physically expanding the airway, this procedure directly addresses the anatomical root cause of the condition. Most patients experience a dramatic reduction in their Apnea-Hypopnea Index (AHI), which measures the number of breathing interruptions per hour of sleep.

Clinical studies consistently show that MMA surgery has a success rate of 85% to 90%. Success is generally defined as a significant drop in the AHI and the complete resolution of daytime sleepiness. For the vast majority of patients, this surgery completely eliminates loud snoring and allows them to stop using their CPAP machines entirely. Patients frequently report waking up feeling genuinely refreshed for the first time in years, experiencing improved concentration, better mood, and increased daily energy.

The results of jaw surgery for snoring and sleep apnea are typically permanent. Because the skeletal structure of the airway has been permanently altered, the airway remains open night after night. However, it is important to maintain a healthy lifestyle after surgery. Significant weight gain can cause fat deposits to accumulate around the neck and throat, which could potentially cause sleep apnea symptoms to return. By maintaining a stable weight, you can enjoy the benefits of your newly expanded airway for the rest of your life.

Why Choose THANC Hospital for MMA Surgery?

When considering a complex procedure like MMA surgery, the experience of your surgical team is the most critical factor. Dr. M. Veerabahu has decades of hands-on experience in orthognathic and sleep apnea surgeries. He has successfully performed a high volume of complex jaw advancements, helping countless patients breathe easier and reclaim their quality of life. At THANC Hospital, we combine this deep surgical expertise with a compassionate, patient-first approach. From your initial 3D airway analysis to your final post-operative checkup, our dedicated team provides complete care tailored to your unique facial anatomy and medical needs. If you are ready to explore a permanent solution to sleep apnea, we invite you to Book an Appointment with our specialists today.