Harmonization After Orthognathic Surgery: Assessment and Care

Orthognathic surgery repositions the maxilla, the mandible, or both, sometimes with an associated genioplasty, to correct the relationship between the bones and the bite. The result changes the profile, lip projection, midface support, and the jawline. Many patients later come to the harmonization office asking for adjustments: a lip that turned out different, a chin that is still asymmetric, a cheek that looks empty.

The critical point is not the injection technique but the context. Treating the face of someone who has had orthognathic surgery means working on a freshly reconstructed anatomy, with possibly altered sensation and with tissues that are still settling. This text organizes that reasoning. For the orthodontic context, see orthodontics and facial profile in harmonization and, for the profile, retrognathic profile: assessment.

What does orthognathic surgery change?

The type of osteotomy defines what changed. A simplified overview:

By moving the bones, the surgery also displaces the soft tissues. Skin, muscles, and fat resettle on a new support, which can take many months. That is why the image of the immediate postoperative period is not the final image.

When to start thinking about harmonization?

Timing is defined by four factors, which combine:

1. Residual swelling. Orthognathic swelling can persist subtly for months, especially in the lip and chin. Injecting over swelling leads to misjudging the volume needed.
2. Bone and bite stability. The team may still be in the orthodontic adjustment phase, and changes in the bite alter the lip and chin.
3. Recovery of sensation. In many cases, sensation improves over time; in some, it stays altered. Assessing the current situation is essential.
4. Surgeon's clearance. The oral and maxillofacial surgeon knows what was done, what was a complication, and what precautions apply.

Why does altered sensation change the risk?

This is the point that most distinguishes the orthognathic patient. The inferior alveolar and infraorbital nerves, for example, may have been manipulated, and the patient may have numbness, tingling, or reduced sensation in the lip, chin, or cheek area. In some cases this improves; in others it persists.

This interferes with the procedure in three ways:

• Pain stops being a reliable sign. In a vascular occlusion, disproportionate pain is one of the first warnings. In a numb area, it may not appear.
• The anesthetic block loses meaning or changes function. If the area is already poorly sensitive, assess the real need for a block. See mental nerve block and infraorbital nerve block.
• Assessing the result is harder. The patient may not perceive product, asymmetry, or discomfort.

For the professional, the counterpart is to redouble objective observation: skin color, capillary refill, symmetry, temperature. See paresthesia after a facial harmonization procedure and nerve injury with injectables.

What complaints usually come up after orthognathic surgery?

The conversation with the patient tends to revolve around a few themes:

• A small or still-asymmetric chin, despite the bone correction.
• Different lips, thinner, more projected, or with an altered contour, after the change in the base.
• A midface lacking projection, even with maxillary advancement, due to soft tissue volume loss.
• Nasolabial fold and marionette lines that are more evident because of the altered support.
• Jawline still with irregularities or asymmetry.
• Estrangement from the new face, an emotional complaint that should not be confused with a physical defect.

Each calls for different reasoning. For the lips, see asymmetric lips: assessment. For the chin and jawline, the chin and jawline areas give the overview.

And when the problem is bony?

Not every complaint is solved with soft tissue. If the asymmetry or projection depends on bone position, filling may mask but does not correct. The professional should assess whether the case calls for a surgical touch-up or an orthodontic adjustment, and communicate that honestly. See asymmetry after filler for the risk of overcompensating.

How to talk with the surgical team?

The conversation with the oral and maxillofacial surgeon protects both the patient and the professional. Ask for objective information on what was done, the date, complications, the state of healing, and any restrictions.

How to counsel the patient?

The patient tends to compare the current face with the virtual surgical plan and with what they imagined. An honest conversation acknowledges the change, values what was achieved, and sets the limits of what harmonization can and cannot do.

What to document?

Record in the patient record the surgical history, contact with the team, the sensation assessment, the reasoning behind the choice, and the instructions. Front, profile, and three-quarter photos in a comparable standard are essential; see standardized clinical photography. The overall organization of records is in patient record and documentation in facial harmonization.

And in Harmy?

Summary

After orthognathic surgery, the face is resettling, sensation may be altered, and planning the injectable depends on the stability of the result and on the conversation with the surgeon. The big trap is injecting too early and not realizing that pain may not signal a complication. Wait, observe, document, and treat only what is soft tissue and truly needed.