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Double Jaw Surgery

Rebalancing the upper and lower jaws for optimal alignment and function

What Is Double Jaw Surgery?

Understanding Double Jaw Surgery

Double jaw surgery involves the precise repositioning of both the upper (maxilla) and lower (mandible) jaws. This allows the surgeon to move the jaws forward, backward, upward, downward, or rotate them to correct bite issues, improve facial balance, and support breathing and chewing function.

By addressing both jaws together, the procedure restores proper coordination, enhances facial harmony, and provides reliable long-term functional and aesthetic improvement.

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What Patients Find Most Helpful To Know About Double Jaw Surgery

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Your jaws will not be wired shut

Small plates and screws stabilize the jaws, often with light guiding elastics rather than full immobilization.

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Sensation returns slowly over time

Temporary numbness or tingling in lips, cheeks, or tongue is common, usually resolving over time.

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The first week is the most challenging

Swelling, tightness, and dietary limitations are most noticeable early on, with steady improvement after the first week.

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Recovery is often similar to single-jaw surgery

Even though both jaws are treated, the recovery is typically not much different than single jaw surgery, with a similar overall experience.

When Is Double Jaw Surgery Performed?

Clinical jaw evaluation with a patient.

Indications for Double Jaw Surgery

Double jaw surgery is advised when misalignment of both jaws impacts chewing, speaking, breathing, or facial appearance. Often, it is planned in combination with orthodontic treatment for maximum stability and results.

Typical situations include:

Severe overbite, underbite, or open bite
Uneven or asymmetrical facial appearance
Difficulty chewing or speaking clearly
Airway or breathing difficulties
Excessive tooth exposure or gummy smile
TMJ discomfort or strain

Benefits Of Double Jaw Surgery

This procedure provides comprehensive functional and cosmetic improvements, enhancing bite, facial proportions, and overall well-being.

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Optimized bite and chewing function for both jaws

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Improved speech articulation

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Improved airway and breathing

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Reduced TMJ strain

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Balanced facial proportions

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Improved lip support and smile aesthetics

Virtual Surgical Planning

Precision-Guided Surgical Planning with 3D Analysis and Simulation.

Digital Records

CBCT and intraoral scans capture bone and tooth anatomy, enabling sub-millimeter precision surgical planning.

0.1 mm Accuracy

Virtual Surgical Planning

Surgeons collaborate with biomedical engineers in real time to simulate and perfect the surgical plan, visualizing movements from every angle before surgery.

360° Simulation

Custom Surgical Splints

Patient-specific surgical splints guide the jaw into the exact planned position during surgery.
100% Custom Fit

Custom Cutting Guides

Custom osteotomy guides ensure bone cuts are made precisely as planned, maximizing accuracy.
<1mm Precision

Custom Titanium Plates

Patient-specific titanium fixation plates contoured to the patient’s anatomy for optimal stability and healing.
Ti-6Al-4V Medical Grade

How Is Double Jaw Surgery Performed?

Double jaw surgery is carefully planned and performed to reposition both jaws safely, restoring function and facial harmony.

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Double Jaw Surgery

Double jaw surgery, also known as bimaxillary orthognathic surgery, is performed when both the upper and lower jaws need repositioning to achieve proper alignment. During the procedure, the surgeon carefully adjusts the upper and lower jaws to establish the ideal relationship between the teeth, jaws, and facial structures, securing them with small plates and screws for stability. By correcting both jaws at the same time, this surgery improves bite function, chewing comfort, speech clarity, facial balance, and in some cases breathing. With detailed planning and precise surgical technique, double jaw surgery provides a comprehensive correction that restores harmony between the teeth, jaws, and facial profile while supporting long term function and confidence.

Before & After Gallery

Timeline for Double Jaw Surgery

Month 0

Initial Consultation

Comprehensive history, clinical evaluation, 3D scans, X-rays, photographs, and impressions to assess jaw position and bite.

2–4 weeks after initial consultation

Treatment Planning Visit

Once your records are reviewed and the doctor has coordinated with your orthodontist, you’ll return either in person or via telemedicine to review your treatment plan, see prediction images, and go over the steps and timeline ahead.

6–12 months (if necessary)

Orthodontic Preparation

Braces or aligners gradually guide the teeth into proper positions to prepare the jaws for surgical correction. In select cases, a surgery-first approach or no orthodontic preparation may be possible.

3-6 weeks prior to surgery

Final Surgical Planning

Virtual surgical planning determines precise bone movements for optimal symmetry, stability, and facial balance.

2–4 weeks prior to surgery

Pre-Op Medical Clearance

Medical exams, lab testing, and final instructions ensure the body is fully prepared for surgery.

Typically a one-night hospital stay

Surgery Day

Corrective jaw surgery is performed to reposition the jaws, improve bite function, and enhance facial balance.

3–9 months after surgery

Post-Surgical Orthodontics

Final orthodontic treatment fine-tunes tooth position and bite, optimizing aesthetics, function, and long-term stability.

Recovery

Following corrective jaw surgery, the recovery phase focuses on controlled healing, swelling reduction, and gradual return to normal jaw function while your care team closely monitors comfort, progress, and bite stability.

Early Recovery

Facial Swelling improves
Light daily activity
Jaw movement is limited
Liquid and blended diets begins

Return to Light Activities

School & desk work resume
Soft foods are started
Swelling visibly decreases
Light activities and short walks

Bite Stabilization

Bone healing strengthens
Orthodontics resumes
Diet progresses to normal
Full physical activity (5 weeks)

Final Results

Final orthodontic detailing
Retainers are introduced
Swelling fully resolves
Full bone strength restored

What to Expect After Double Jaw Surgery

Post-Surgery Recovery Process

Patients usually stay one night in the hospital after double jaw surgery and return home the next day.

During recovery:

Swelling peaks in the first few days.
Temporary numbness or tingling in lips, cheeks, or tongue is common.
Diet changes are necessary. You’ll start with liquids and very soft foods and gradually progress as instructed by your surgeon.
Jaw movement may be limited with elastics initially to help guide the bite.
Maintaining oral hygiene is essential. You’ll be shown how to gently keep your mouth clean without disrupting the surgical areas.

Recovery varies for each individual, but most patients notice significant improvements in comfort and function within the first week. Complete healing of the upper jaw and surrounding tissues can take several months, with follow-up orthodontic adjustments helping to perfect bite and facial balance.

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Risks & Possible Complications

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Safety Information for Patients

While uncommon, potential risks and complications may include the following, along with other procedure-specific concerns. Because every case is unique, our surgical team will review the risks, benefits, alternatives, and important considerations specific to each patient during consultation and preoperative visits.

Temporary numbness or altered feeling of the lower lip, chin, or gums, with rare cases of permanent altered sensation
Swelling, bruising, or minor bleeding
Infection at the surgical site
Limited jaw movement or stiffness in early recovery
Slight shifting or relapse of jaw position
TMJ discomfort or changes
Need for additional procedures or hardware adjustments

An experienced team and close follow-up care help maximize the likelihood of optimal outcomes.

Frequently Asked Questions

These frequently asked questions address what families most often want to know before and after Double jaw surgery.

Choosing Your Surgical Team

How important is experience when choosing a surgeon for Double Jaw Orthognathic Surgery?

Double Jaw Orthognathic Surgery requires precise surgical judgment, specialized training, and familiarity with the anatomical and functional nuances of this procedure. Outcomes depend heavily on the surgeon's experience, technique, and ability to anticipate and manage the full range of possible findings. Surgeons who perform this procedure regularly are typically better positioned to achieve consistent, safe results.

What is the difference between private practice and academic or hospital-based care?

In a private practice setting, care is often more streamlined and consistent, with the same surgeon closely involved in evaluation, treatment planning, surgery, and follow-up.

In academic or hospital-based settings, care may involve a larger team that can include residents or fellows participating under supervision. Both models can provide excellent care, but the structure and continuity of treatment may feel different. At our center, your care is delivered directly by your surgeon — not by residents, fellows, or surgeons in training.

Who will perform my surgery?

It is important to understand who is performing each part of your procedure. In some settings, the attending surgeon performs all critical portions, while in others trainees may assist or participate under supervision. This should be discussed clearly in advance. At our center, your surgeon performs all critical portions of the procedure.

Will trainees be involved in my care?

Depending on the treatment setting, residents, fellows, or students may be involved in aspects of care. Patients should feel comfortable asking about their role and how care is supervised.

At our center, there are no residents or fellows involved in performing surgery.

Who will follow me after surgery?

Post-operative follow-up is an important part of surgical care. At our center, your surgeon personally follows you through recovery and any additional visits required.

How involved is the surgeon throughout the process?

At our center, your surgeon is directly involved at every stage — from the initial consultation and treatment planning through surgery, post-operative visits, and long-term follow-up.

Understanding Double Jaw Surgery

What is double jaw orthognathic surgery?

Double jaw orthognathic surgery, also called bimaxillary surgery, is a procedure in which both the upper jaw and the lower jaw are surgically repositioned in the same operation. It combines a Le Fort I osteotomy of the upper jaw with a bilateral sagittal split osteotomy of the lower jaw, and may also include a genioplasty to refine chin position.

Why would both jaws need to be operated on at the same time?

Many jaw discrepancies involve contributions from both the upper and lower jaw. Correcting only one jaw may improve the bite but leave the facial profile less than optimal, or may require an unrealistic amount of movement in a single jaw. Operating on both jaws simultaneously allows the surgeon to distribute the necessary movements, achieve a more natural facial result, and correct the bite with greater precision and stability.

Is Le Fort I always performed with lower jaw surgery?

Double jaw surgery is used to correct significant overbites, underbites, open bites, and facial profile imbalances that involve both jaws. It is also the most commonly used surgical approach for treating obstructive sleep apnea through maxillomandibular advancement, and is used in patients with cleft lip and palate, jaw asymmetry, and various syndromic conditions.

How does orthodontic treatment relate to double jaw surgery?

Pre-surgical orthodontic treatment aligns the teeth within each jaw before surgery. After surgery, orthodontic treatment continues to finalize the bite. The orthodontist and surgeon work together closely throughout the process, and the surgical plan is developed jointly based on the patient's facial and dental goals.

Is double jaw surgery more complex than single jaw surgery?

Yes, in terms of operative time and the number of structures involved. However, in the hands of an experienced surgeon it is a well-established procedure with a strong track record of safety and effective outcomes. The additional complexity is offset by the more complete correction it allows.

Surgery & Recovery

How is double jaw surgery performed?

The procedure is performed under general anesthesia through incisions inside the mouth. The upper jaw is separated from the facial skeleton and repositioned, and the lower jaw is cut and moved on both sides. Both jaws are secured with titanium plates and screws. Surgical guides prepared in advance are used to position the jaws precisely. The procedure typically takes three to five hours depending on complexity.

What is recovery like after double jaw surgery?

Significant facial swelling is expected and peaks in the first several days before resolving gradually over weeks to months. A soft diet is required during healing. Numbness of the lips, chin, and teeth is common and typically resolves over time. Most patients manage discomfort well and begin returning to normal activities within a few weeks, though complete bone healing takes several months.

Will the jaw be wired shut?

Most patients are not wired shut. Rigid fixation with titanium plates allows controlled jaw movement from the day of surgery. Light elastic bands on the braces guide the bite during recovery without the restriction of wiring.

What results can patients expect?

Double jaw surgery produces lasting improvement in bite function, facial balance, and profile. For sleep apnea patients, improvement in breathing is a primary goal. Full results are appreciated once swelling has resolved over several months. With proper planning and healing, outcomes are highly stable.

Traveling & Out-Of-Town Patients

Do patients travel to your center for this procedure?

Yes. We regularly care for patients traveling from outside the region for double jaw orthognathic surgery.

How long do out-of-town patients typically need to stay near our center?

Most patients undergoing double jaw orthognathic surgery are discharged after one overnight stay and recovering well. Out-of-town patients should plan to remain locally for approximately one week primarily to attend their first post-operative visit, at which the surgeon examines healing, addresses any questions, and clears the patient for travel home.

When can I travel home — and is driving different from flying?

Ground travel home is generally appropriate shortly after the first post-operative visit, once the surgeon has confirmed healing is on track. Air travel is generally cleared at approximately 10 to 14 days after surgery. Flying is approved somewhat later than driving because cabin pressure changes at altitude are a consideration during early healing. Your surgeon will confirm both clearances at the post-operative visit.

Will I need to come back for additional visits?

Yes. After returning home, a second follow-up visit will be needed to monitor continued healing and recovery. Depending on what needs to be assessed, this visit may be conducted via telemedicine or may require an in-person return visit. Your surgeon will advise on the format and timing of this follow-up before you travel home.

What can patients expect during the initial consultation?

The consultation at our center includes a thorough clinical examination, review of any imaging or prior records, and a detailed discussion of the surgical plan, expected outcomes, recovery timeline, and what follow-up will involve. Patients leave with a clear understanding of the procedure and what to expect before, during, and after surgery.

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