Cheekbone Reduction Surgery: What Zygoma Reduction Actually Moves, Why a Wide Face Is Often Not Bone at All, and Why the Cheek Can Sag After the Bone Comes In

Most cheekbone conversations in American practices run in one direction. Patients want more: more height, more projection, more of the angular shadow that photographs well under overhead light. The tools for that are familiar, from filler and fat to the silicone implants covered in the piece on cheek and jaw implants. A smaller and growing group of patients arrives with the opposite request. They think their face is too wide at the level of the cheekbones, too angular from the front, or too prominent in a way that reads as harsh or masculine, and they have seen before and after photographs of an operation that makes the upper face narrower.

That operation is zygoma reduction, also called reduction malarplasty. It is common in Seoul and increasingly offered in Los Angeles, New York, and anywhere else with a large East Asian patient base or a facial feminization practice. It is a real bone operation, performed under general anesthesia, in which the cheekbone is cut, repositioned, and fixed. It is also an operation where the most important decisions are made before anyone picks up a saw: which part of the cheekbone is actually responsible for the width, whether the width is bone at all, and whether the patient's soft tissue can tolerate losing some of the support underneath it. This piece works through those questions in the order a careful consultation should.

What cheekbone reduction actually changes: the body, the arch, and why they are different complaints

The short answer: the cheekbone has two parts that produce two different kinds of prominence, the zygomatic body at the front of the face, which creates forward projection seen at an angle, and the zygomatic arch running back toward the ear, which creates side-to-side width seen straight on, and a reduction operation has to be planned around which of the two the patient is actually objecting to.

The zygoma is the bone that forms the point of the cheek and the outer and lower rim of the eye socket. Its thick front portion, the body, is what most people mean by a cheekbone: the high point that catches light in a three-quarter photograph. Extending backward from the body is the arch, a thin bridge of bone that runs toward the front of the ear and connects to the temporal bone. The arch is what determines how wide the face is at its widest point, the measurement surgeons call bizygomatic width.

These two elements produce different complaints and need different operations. A patient whose face looks wide from the front, with a flat or even hollow look above the arch at the temples, usually has a laterally flared arch. A patient who dislikes a sharp, forward-jutting cheek seen from the side or at an angle has a prominent body. Many patients have some of both, and the operation that addresses one does not automatically address the other. A surgeon who plans a reduction from a single frontal photograph, without looking at the patient in oblique and from above, is guessing about which part of the bone to move.

This is also where aesthetic standards diverge sharply by culture and by goal. The published literature on reduction malarplasty comes overwhelmingly from Korean, Chinese, and Japanese centers, where a softer, narrower, more oval upper face has long been a common preference, and much of the Western literature on the same bone concerns making cheekbones larger. Neither is the correct face. The point, as the piece on ethnic rhinoplasty and cultural features argues about the nose, is that the patient should be able to explain what they want in their own terms, not in the terms of a clinic's gallery. In facial feminization, which the piece on facial feminization surgery covers, cheek work more often runs toward augmentation than reduction, which is another reminder that the direction of the change depends on the face in front of the surgeon.

Is the width even bone? Masseter, buccal fat, and the temples

The short answer: a significant share of patients who ask for cheekbone reduction have a face whose width is driven partly or mainly by soft tissue, a large masseter muscle, full buccal fat, or hollow temples that make a normal arch look prominent, and a CT scan plus a physical examination of the face at rest and in clenching is the only honest way to separate bone from everything sitting on top of it.

The upper face is a layered structure, and the width a patient sees in the mirror is the sum of all the layers. Three soft tissue findings are regularly mistaken for a bony problem.

The first is the masseter. It originates along the lower edge of the zygomatic arch and body and runs down to the angle of the jaw, and a large one widens the lower face and can make the whole face read as broad. That is a muscle question with a muscle answer, set out in the piece on masseter Botox and jawline slimming, and it costs a small fraction of what a bone operation does. The masseter matters to cheekbone surgery for a second reason too, which the risks section below returns to: it is attached to the very bone segment the surgeon moves.

The second is buccal fat, which sits beneath the cheekbone and contributes to a rounded midface. Patients who want a narrower face sometimes pursue both operations together. The long-term trade-off of taking out fat that the face will want back later is laid out in the five-year read on buccal fat removal, and it applies with more force when the bony support above that fat is also being reduced.

The third is the temple. When the temporal hollow above the arch is deep, a completely ordinary arch looks like a ledge, because the eye reads the step between the concave temple and the convex arch as width. Filling the temple, as the piece on filler for hollow temples describes, can soften that step without touching the bone, and it is an inexpensive, reversible way to test how much of the complaint is contour rather than width. The reverse also holds: a reduction that narrows the arch without addressing a hollow temple can leave the patient with a face that is narrower in measurement but more skeletal in appearance.

A preoperative CT scan with three-dimensional reconstruction is standard among surgeons who do this operation regularly, and it should be. It shows the thickness of the body, the shape and flare of the arch, the position of the infraorbital nerve, and any asymmetry between sides that the patient may never have noticed. The consultation imaging described in the piece on 3D imaging in consultation is a different thing: surface simulation software shows how a face might look, while a CT shows where the bone actually is. A reduction planned without the second is a reduction planned partly by feel.

How the operation is done: shaving versus osteotomy, and why the bone has to be fixed

The short answer: minor prominence of the cheekbone body can sometimes be reduced by burring the surface of the bone, but meaningful narrowing requires osteotomy, in which the body is cut through the mouth and the arch is cut near the ear so that the whole segment can be rotated or pushed inward, and in most modern techniques the moved segment is fixed with small plates and screws so that it heals in the new position rather than wherever the muscles pull it.

Burring, or shaving, removes a layer from the outer surface of the bone. It is the smallest version of the operation and suits only a limited group of patients, those with a thick cheekbone body and modest prominence. It cannot meaningfully narrow the arch, because the arch is thin and there is not much to shave, and it cannot change the position of the bone, only its outer contour. A patient quoted a shaving procedure for a wide face should ask directly how much narrowing is realistically possible by that method, because the honest answer is usually very little.

Osteotomy is the operation most published series describe. Through an incision inside the mouth, in the upper gum above the molars, the surgeon cuts through the zygomatic body, often in an L shape or with a wedge of bone removed. The arch is then divided near its back end, either through a short incision just in front of the ear or through the mouth by a technique that fractures it inward. With both cuts made, the whole cheekbone segment can be moved medially, and sometimes slightly backward or upward, reducing both width and forward projection. The segment is then fixed at the front, usually with a small titanium plate and screws. Some techniques leave the back cut unfixed and rely on the arch to settle in place. The variations have names in the literature and on clinic websites, and patients should be as skeptical of branded technique names here as anywhere else, for the reasons in the piece on trademarked procedure names. What matters is how much each cut moves the bone, and how the moved bone is held while it heals.

"Cheekbone reduction is not sculpting. The surgeon breaks a load-bearing bone in two places, moves it, and asks it to heal in a new position while one of the strongest chewing muscles in the body pulls on it."

This is general anesthesia surgery with airway considerations, because the intraoral incision and the bleeding it produces sit close to the airway, and it belongs in a hospital or an accredited facility with an anesthesia professional managing the airway, as the piece on anesthesia choice and the operative plan and the piece on outpatient facility accreditation describe. Operating times vary with technique and with whether the jaw is being done in the same sitting, which it frequently is.

Recovery follows the pattern of facial bone surgery rather than soft tissue surgery. Swelling is substantial for the first two weeks, much of it resolves over six weeks, and the last of it can take several months, a longer arc than patients expect from the general swelling timeline after plastic surgery. Most patients are on a soft diet for a period set by the surgeon, chewing hard food is restricted while the osteotomies heal, and some wear a compressive facial garment for the first days. Numbness of the upper lip, the side of the nose, and the upper teeth is common early on.

The risks that decide whether the result looks good in ten years

The short answer: beyond the ordinary surgical risks of bleeding and infection, the specific complications of cheekbone reduction are sagging of the cheek soft tissue once the bone beneath it has been moved and the tissue lifted off it, delayed or failed healing of the cut arch because the masseter pulls it downward, asymmetry, injury to the nerves that supply sensation to the cheek and movement to the forehead, and restricted mouth opening, and each of them is either avoided or invited by decisions made during planning.

Cheek sagging is the complication that most distinguishes this operation. To reach and move the bone, the surgeon lifts the overlying soft tissue and the periosteum away from it. The cheek tissue that used to drape over a prominent body now sits over a smaller, more medial one, with a partially detached attachment. In younger patients with firm skin, it re-adheres and the result looks tighter. In older patients, or those who already have early midface descent, the soft tissue can drop, producing a flatter upper cheek, a deeper fold beside the nose, and jowling that arrives sooner than it otherwise would. Surgeons who do a lot of this operation discuss suspension techniques to re-anchor the soft tissue and are cautious about operating on patients past early middle age. The midface anatomy involved overlaps with what the piece on malar mounds and festoons describes, and a patient with existing midface laxity should hear directly that bone reduction may make it look worse.

Delayed union or nonunion of the arch follows from the anatomy covered earlier. The masseter originates on the arch and body, and every time the patient chews it pulls the cut segment downward. If the segment is not stable, it can heal lower than intended, heal with a visible step, or fail to heal at all. The clinical consequences range from a subtle drop in the cheek contour to a palpable step at the arch and pain on chewing. Rigid fixation and a disciplined soft diet reduce this risk. Chewing gum in the second week does not.

Asymmetry is common enough that it deserves more than a line in the consent form. Most faces are asymmetric to begin with, and the operation can either correct or exaggerate the difference depending on whether the plan accounts for it. The general principles are set out in the piece on facial and breast asymmetry. A CT that shows a two-millimeter difference in arch flare before surgery is the reason not to move both sides by an identical amount.

Nerve injury involves two nerves. The infraorbital nerve exits the bone below the eye and supplies sensation to the cheek, the side of the nose, the upper lip, and the upper teeth; it runs close to the anterior cut, and temporary numbness in its territory is common, with persistent numbness less so. The sensory recovery patterns in the piece on numbness after plastic surgery apply. The temporal branch of the facial nerve, which lifts the brow, crosses the arch just under the skin, and it is at risk when the arch is approached from outside through the incision in front of the ear, which is why that incision is kept short and positioned deliberately. The anatomy is the same danger zone described in the piece on facial nerve injury after facelift.

Restricted mouth opening can follow when the arch is moved inward far enough to crowd the coronoid process of the lower jaw, the bony projection that slides beneath the arch when the mouth opens, or when scarring in the chewing muscles limits movement. It usually improves with time and exercises. A patient who plays a wind instrument, sings professionally, or has existing jaw joint problems should raise that before surgery, not after.

Who should do it, the jaw angle it usually travels with, and the question of reversibility

The short answer: cheekbone reduction is facial skeletal surgery and belongs with a surgeon who does craniofacial or maxillofacial bone work routinely, whatever their specialty board, it is frequently combined with reduction of the jaw angle into a package marketed as V-line or facial contouring surgery, and it is only partly reversible, because bone that has been removed or pushed inward can be supported afterward with implants or fat but cannot simply be put back.

Several specialties perform this operation: plastic surgeons with craniofacial training, facial plastic surgeons, and oral and maxillofacial surgeons. The certification questions covered in the piece on board certifications matter, but the more discriminating question for a rare operation is volume. How many reduction malarplasties does this surgeon perform each year, what technique do they use for the arch, and what is their personal rate of revision for nonunion or asymmetry? The piece on surgeon case volume explains why that number matters more for uncommon operations than for common ones, and the piece on hospital privileges explains how to check whether the surgeon is credentialed for facial bone work at a hospital, which is a useful independent signal for an operation involving osteotomies.

The operation is rarely sold alone. The mandibular angle, the corner of the jaw below the ear, is often reduced in the same sitting, and the chin is sometimes narrowed or advanced too. Each additional component adds operating time, swelling, and its own nerve risks, particularly to the nerve supplying sensation to the lower lip and chin. Angle reduction is a separate decision from cheekbone reduction and should be justified on its own findings. The distinction between reshaping the jaw's contour and moving the jaws to change the bite is set out in the piece on orthognathic surgery and the jawline, and the questions in the piece on combining procedures in one surgery apply directly to a three-site bone package. A patient whose actual complaint is a square lower face should again rule out the masseter first.

A share of patients travel for this operation, because centers in Seoul have large volumes and lower quoted prices. The cost is real, but so are the complications that appear after the patient has flown home: an arch that heals with a step, persistent numbness, or cheek sagging that needs attention six months later from a local surgeon who did not perform the original work and may not have the operative records. The accounting in the piece on the true cost of plastic surgery tourism applies, and the piece on medical records after cosmetic surgery explains why the operative note and the CT scans need to come home with the patient.

On reversibility: if a reduction goes too far, or if the cheek sags afterward, the corrective options are additive. A surgeon can place an implant of the kind described in the piece on cheek and jaw implants, graft fat as in the piece on fat transfer to the face, or use filler for smaller corrections, and a sagging cheek may eventually need a midface or deep plane facelift. None of those restores the original bony architecture. Patients whose request is driven mainly by distress about one feature, rather than by a stable, specific aesthetic preference, should know that screening for body dysmorphic disorder, discussed in the piece on body dysmorphic disorder screening, is a normal and appropriate part of consultation for an irreversible facial bone operation. And any surgeon's gallery should be read with the discipline in the piece on reading a before and after gallery: matched angles, matched lighting, and the same facial expression, with at least some photographs taken a year or more after surgery rather than at three months, when residual swelling is still flattering the result.

The honest summary

Cheekbone reduction is a genuine facial bone operation that can narrow a wide upper face or soften a sharply projecting cheek, and in the right patient, planned from a CT scan and performed by a surgeon who does it regularly, it produces a result no injectable or soft tissue procedure can match. The operation cuts the zygomatic body through the mouth and the arch near the ear, moves the segment inward, and fixes it so that the masseter muscle attached to it does not pull it out of position while it heals. Shaving alone suits only minor prominence of the body and does little for width. The questions that decide the outcome come earlier than the surgery: whether the width the patient dislikes is the arch, the body, or both; whether a large masseter, full buccal fat, or hollow temples are responsible for more of it than the bone is; and whether the patient's midface soft tissue can tolerate losing some of the scaffolding beneath it without sagging over the following decade. The specific risks, cheek descent, a malunited or ununited arch, asymmetry, numbness in the infraorbital territory, injury to the temporal branch of the facial nerve, and restricted mouth opening, are well described in the craniofacial literature and are mostly controlled through planning, fixation, and patient selection. Jaw angle reduction usually travels with it and should be justified on its own. Corrections after an over-reduction are additive, never restorative. A patient who can say precisely which part of their face they want changed, who has ruled out the muscle and the fat, and who has asked about the ten-year soft tissue picture rather than only the six-month photograph, is the patient this operation serves well.