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Assoc. Prof. Dr. Emrah Dilaver

Braces First or Surgery First for Jaw Alignment Decisions

Jaw alignment treatment is not only about making teeth look straighter. In patients with a skeletal jaw discrepancy, the teeth, bite, facial skeleton, airway considerations, jaw joints, and planned surgical movements all need to be evaluated together.


For many patients, orthognathic surgery, also called corrective jaw surgery, is performed after a period of orthodontic preparation. In selected situations, jaw surgery may be performed before most orthodontic tooth movement. The right sequence is a clinical decision, not a one-size-fits-all rule.


This article explains how an orthodontist and oral surgeon evaluate the difference between a traditional braces-first pathway and a surgery-first orthognathic approach. It is for general education only and does not replace an individual consultation, diagnosis, or treatment plan.


Eye-level view of articulated dental models showing upper and lower jaw alignment
Jaw alignment decisions begin with the relationship between the teeth and facial skeleton.

Understanding the Two Treatment Pathways


Orthognathic treatment usually combines orthodontics and jaw surgery. Orthodontics positions the teeth within each jaw. Surgery positions one or both jaws within the facial skeleton. The goal is to create a stable bite and improve jaw alignment in a way that fits the patient’s anatomy and treatment objectives.


There are two main sequencing approaches.


Traditional approach

Surgery-first approach

Braces → Surgical preparation → Jaw surgery → Orthodontic finishing

Initial records and planning → Jaw surgery → Post-surgical orthodontics


In the traditional approach, braces or clear aligners are used before surgery to prepare the teeth. This phase is called pre-surgical orthodontics. Once the teeth are positioned in a way that allows the jaws to fit together properly after surgical movement, jaw surgery is performed. After surgery, orthodontic finishing refines the bite.


In the surgery-first approach, the patient undergoes detailed records, diagnosis, and virtual surgical planning first. Jaw surgery is then performed before most orthodontic tooth movement. Orthodontic treatment after surgery completes the dental alignment and bite refinement.


Neither sequence is automatically better. The decision depends on the starting bite, dental crowding, incisor inclination, transverse discrepancies, skeletal asymmetry, and the jaw movements being planned.


Why Are Braces Often Needed Before Jaw Surgery?


In many patients with skeletal jaw discrepancies, the teeth have adapted over time to the jaw position. This adaptation can make the bite function better than expected, even when the upper and lower jaws are not well matched.


For example, a patient with a lower jaw that sits too far back may have lower front teeth that lean forward and upper front teeth that lean backward. This tooth position may help the front teeth touch, but it also masks the full skeletal discrepancy. If surgery were performed without correcting those dental positions, the jaws might be moved into a more suitable skeletal relationship while the teeth still point in directions that prevent a healthy bite.


Pre-surgical orthodontics helps place the teeth in a more accurate position within each jaw. This gives the surgeon a clearer skeletal target and allows the orthodontist and surgeon to plan the bite after surgery.


Braces before surgery may be needed to:


  • Align crowded or rotated teeth so the arches can fit together

  • Coordinate the width and shape of the upper and lower dental arches

  • Correct tilted incisors that are compensating for jaw imbalance

  • Create space for planned movements

  • Make the bite stable enough to guide jaw positioning during surgery


This preparation can feel counterintuitive. Some patients notice that the bite feels less comfortable before surgery. That change is often part of revealing the true skeletal relationship.


Close-up view of a dental arch model with orthodontic brackets showing tooth alignment preparation
Pre-surgical orthodontics can position teeth so the jaws can be moved more accurately.

What Is Dental Decompensation?


Dental decompensation means moving the teeth out of their adapted, camouflaged positions and back toward a more ideal position within each jaw.


This concept is central to traditional orthognathic surgery planning.


When the jaws do not match well, the teeth may naturally or orthodontically compensate. These dental compensations can reduce the appearance of a malocclusion, which is an incorrect relationship between the upper and lower teeth. The teeth may lean, tip, crowd, or shift to make contact despite the jaw discrepancy.


Decompensation reverses that masking effect.


A common example is a Class III pattern, where the lower jaw is positioned ahead of the upper jaw, or the upper jaw is deficient relative to the lower jaw. The upper front teeth may lean forward, and the lower front teeth may lean backward. This may make the underbite look less severe. Before surgery, orthodontics may upright those teeth. As a result, the underbite can look more obvious for a period of time.


That temporary change does not mean treatment is moving in the wrong direction. It often means the orthodontist is uncovering the true skeletal relationship so the jaw movement can be planned more accurately.


Decompensation can affect appearance, bite comfort, speech adaptation, and chewing during the pre-surgical phase. The clinical team should explain why those changes are happening and how they relate to the surgical plan.


What Is the Surgery-First Approach?


The surgery-first orthognathic approach means jaw surgery is performed before most orthodontic tooth movement. The orthodontic phase is still necessary in most cases, but it occurs mainly after surgery.


This approach requires careful diagnosis and planning because the teeth may not be fully aligned before the jaws are repositioned. The orthodontist and oral surgeon must determine whether the existing bite provides enough information and stability to plan surgical movements safely and predictably.


Surgery-first planning may use temporary orthodontic appliances, surgical hooks, splints, or other stabilizing methods depending on the case. The details vary based on the bite, the planned movement, and the surgeon’s and orthodontist’s protocol.


The key point is that surgery-first does not mean orthodontics is skipped. It means the sequence changes. The teeth still need to be aligned, coordinated, and finished after jaw surgery so the final bite can function properly.


Who May Be Suitable for Surgery First?


A surgery-first approach may be considered in selected patients whose dental and skeletal findings make early jaw movement clinically reasonable. These patients often have less dental compensation, mild to moderate crowding, and a bite that can be used to guide surgical planning.


Factors that may support consideration include:


  • Relatively well-aligned dental arches

  • Limited dental crowding or spacing

  • Incisor inclinations that do not need major correction before surgery

  • A malocclusion that can be planned without extensive pre-surgical tooth movement

  • Transverse width relationships that do not require major orthodontic coordination first

  • Skeletal movements that can be planned with a stable post-surgical orthodontic strategy


Some patients with clear skeletal discrepancies and relatively coordinated dental arches may fit this category. For example, if the main issue is jaw position rather than severe tooth compensation, surgery-first may be part of the discussion.


That discussion must still include limitations. The early bite after surgery may require careful orthodontic management. Temporary changes in chewing, bite contacts, and tooth movement planning can be expected. The patient must also be able to follow post-surgical instructions and attend orthodontic visits as directed.


When Is Orthodontics First More Appropriate?


Orthodontics first is often more appropriate when significant dental preparation is needed before the jaws can be moved into the planned position.


This is common when dental compensation is pronounced. If the front teeth are heavily tipped to hide the jaw discrepancy, surgery-first may place the jaws in a new position while the teeth still interfere with the bite. That can make surgical positioning more difficult and may compromise orthodontic finishing.


Pre-surgical orthodontics is also commonly needed when there is substantial crowding. Crowded teeth may prevent the upper and lower arches from fitting together after surgery. In some cases, extractions, expansion, arch coordination, or space management must be completed before surgical planning can be finalized.


Other findings that often favor orthodontics first include significant transverse discrepancies, such as a narrow upper jaw compared with the lower jaw, or crossbites that require correction before or with surgery. Skeletal asymmetry can also add complexity. If one side of the jaw differs from the other, both the dental arches and facial skeleton must be analyzed carefully before choosing the sequence.


The planned jaw movements matter as well. Moving the upper jaw, lower jaw, chin, or a combination of jaws requires a bite setup that supports the surgical plan. Some movements need very specific dental positions before surgery. Others may allow more orthodontic work afterward.


In short, orthodontics first is often preferred when the teeth need to be “uncamouflaged” or coordinated before the skeleton can be corrected.


Overhead view of a skull model and dental casts used for jaw surgery planning
Skeletal anatomy and dental relationships are evaluated together before choosing a sequence.

How Digital Planning Helps Determine the Sequence


Modern orthognathic planning often uses several forms of digital and clinical information. These tools do not replace judgment, but they help the orthodontist and oral surgeon understand the relationship between the teeth, bite, jaws, and face.


CBCT imaging provides three-dimensional information about the facial skeleton, jaw joints, airway space, tooth roots, impacted teeth, and asymmetry. It allows the team to evaluate skeletal anatomy beyond what can be seen on standard photographs or two-dimensional X-rays.


Intraoral or digital dental scans capture the shape and position of the teeth. These scans can be combined with CBCT data to evaluate how the dental arches relate to the jaws. The team can assess crowding, arch width, tooth inclination, and occlusion with more detail.


Facial analysis remains essential. Jaw alignment is not only a dental issue. The surgeon evaluates facial proportions, chin position, lip support, smile display, midline relationships, and asymmetry. These findings are interpreted together with functional concerns such as chewing, speech, and airway-related anatomy when relevant.


Virtual surgical planning allows the team to simulate jaw movements before surgery. The surgeon can assess how moving the upper jaw, lower jaw, or both jaws may affect the bite and skeletal relationship. The orthodontist can evaluate whether the teeth are ready for that movement or whether pre-surgical orthodontics is needed first.


Digital planning can help answer practical questions such as:


  • Will the teeth fit after the planned jaw movement?

  • Are the incisors too compensated for surgery-first planning?

  • Is the upper jaw too narrow relative to the lower jaw?

  • Does asymmetry require dental preparation before skeletal correction?

  • Can post-surgical orthodontics reasonably finish the bite?


These tools make the discussion more specific. They also help patients understand why one sequence may be recommended over another.


The Orthodontist–Surgeon Collaboration


Orthognathic treatment is a team process. The orthodontist and oral surgeon each evaluate different parts of the same problem.


The orthodontist focuses on tooth position, arch form, bite relationships, root angulation, space management, and orthodontic mechanics. The surgeon focuses on skeletal diagnosis, jaw movement, facial balance, surgical access, fixation, healing, and how the jaws should be positioned during surgery.


Their planning must overlap. If the orthodontist moves the teeth without a clear surgical plan, the dental setup may not support the jaw movements. If surgery is planned without understanding orthodontic limitations, the bite may be difficult to finish.


A coordinated team typically reviews:


  • Initial bite and occlusion

  • Degree of dental compensation

  • Dental crowding or spacing

  • Incisor inclination

  • Transverse jaw and arch relationships

  • Facial symmetry and skeletal asymmetry

  • Planned upper jaw, lower jaw, or double-jaw movements

  • Expected orthodontic finishing needs


This collaboration is especially important when deciding between braces-first and surgery-first pathways. The same patient may look like a possible candidate for one sequence based on facial appearance, but dental records may show that the other sequence is safer or more practical.


Clear communication also helps set expectations. Patients should understand which parts of treatment are orthodontic, which parts are surgical, and why the sequence has been chosen.


Close-up view of a tablet displaying a three-dimensional jaw planning model beside dental casts
Digital planning helps connect tooth position with planned jaw movements.

Which Approach Is Right for You?


There is no universal answer to the question of braces first or surgery first. Braces First or Surgery First for Jaw Alignment Decisions depends on how the teeth and facial skeleton relate at the start of treatment and what movements are planned.


A patient with severe dental compensation may need pre-surgical orthodontics so the true jaw discrepancy can be corrected. A patient with minimal compensation and well-coordinated dental arches may be evaluated for a surgery-first sequence. A patient with transverse problems, crowding, asymmetry, or complex incisor positions may need a more staged plan.


The recommendation should come after a complete evaluation, not from the appearance of the bite alone. Some bites that look severe are straightforward to plan. Some bites that look mild are heavily compensated and require careful preparation.


Patients should expect the evaluation to include clinical examination, photographs, dental scans, X-rays or CBCT when appropriate, orthodontic analysis, and surgical planning. The treatment sequence should be explained in plain language, including why certain tooth movements need to happen before or after surgery.


The main question is not which pathway is more appealing in theory. The better question is which pathway allows the team to position the teeth and jaws in a stable, functional, and anatomically appropriate way for that individual case.


Deciding between braces-first and surgery-first requires a combined evaluation of the teeth, bite, facial skeleton, dental compensation, and planned surgical movements. The correct approach is the one that fits the patient’s anatomy, occlusion, and treatment objectives after careful planning by the orthodontist and oral surgeon.


 
 
 

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