Common Failures of Jaw-Shaving Surgery — and How to Aim for a Smaller Face Without Cutting Bone!

“What’s jaw-shaving surgery really like? The risk of failure scares me… What can I do to avoid regrets?” Some of you may be wondering exactly that.

Jaw-shaving surgery carries risks, but with accurate information and the right precautions, those risks can be minimized.

This article details common failures of jaw-shaving surgery and why they happen, the keys to avoiding them, and ways to aim for a smaller face without shaving bone at all.

What Is Jaw Shaving?

Jaw shaving is a type of cosmetic surgery for reshaping the facial contour. Popular among those concerned about a prominent jaw or the size of their face, it aims for a sharp facial line by partially shaving bone and muscle.

The surgery is performed under general anesthesia and can take several hours. Because it demands a high level of skill, it is generally understood that post-operative recovery tends to be lengthy. Consider carefully whether to undergo this surgery.

Many who seek jaw shaving hope to regain confidence by improving their appearance. But surgery always comes with risks. The face may not turn out as envisioned, and complications such as nerve damage and infection are possible. Thorough information-gathering is therefore essential.

What Are the Benefits of Jaw Shaving?

The greatest benefit of jaw-shaving surgery is obtaining an ideal facial line. Many who choose it want to resolve a complex about their face shape and gain confidence. When jaw prominence improves, the entire face takes on a cleaner impression, and how others see you can change dramatically.

Achieving the Ideal Smaller Face

Jaw shaving narrows the width of the face, so a smaller-face effect can be expected. And with a smaller face, the balance of your features improves and your overall impression gets better. Just as there are makeup techniques and hairstyles to make a face look smaller, jaw shaving is one way to physically fulfill the wish for a smaller face.

A Gentler Impression

A strongly prominent jaw can make the face look angular and give a harsh impression. By refining the facial line through jaw shaving, the whole face looks softer and can convey a gentler impression. A rounded contour, in particular, emphasizes approachability and femininity. Since facial impressions are one of the most important elements of how we come across to others, it makes sense to want the benefit of a rounded, gentle look.

Why Does Jaw Shaving Commonly Fail?

Because jaw-shaving surgery demands a high level of skill, various risks of failure come with it. Here are some of the common reasons jaw shaving fails.

The Results Were Underwhelming

There are cases where the expected results simply don’t materialize after jaw-shaving surgery. The main cause lies in the structure of the mandible. Important nerves run through the lower jawbone, and their position varies from person to person. When a nerve runs close to the facial contour, the width of bone that can be shaved is limited, and a dramatic change is said to be difficult. Given the possibility of underwhelming results, it is important to check the bone structure beforehand — with a CT scan, for example — and understand how much change can realistically be expected.

The Skin Sagged

Skin sagging after jaw-shaving surgery is one risk you want to avoid. Shaving bone reduces the internal volume while the skin remains — so excess skin can end up sagging. Proper suturing matters greatly in jaw shaving, and thorough suturing can reduce the sagging risk. However, those whose skin already sags may reportedly see it worsen after surgery. In such cases, combining a tightening procedure such as a facelift is another option.

The Contour Turned Out Unnatural

There are also cases where the contour looks unnatural after jaw-shaving surgery. An ideal facial line traces a beautiful curve, but be aware of the risk: shave too much bone or remove too much of the angle, and you can end up with a pointed chin or unnatural corners. An unnatural contour looks jarring and tends to leave patients dissatisfied. In particular, shaving only the jaw while neglecting chin contouring may reportedly break the balance of the whole face. Jaw shaving is not simply a matter of cutting the jaw — it is surgery on a three-dimensional face, so overall balance must be considered.

The Bite Got Worse

After jaw-shaving surgery, malocclusion — a worsened bite — can occur. This is considered a major problem not just cosmetically but functionally. When shaving the mandibular angle, if the bone-cutting line rises too high, there is a risk of damaging the condylar process of the mandibular ramus. This can make the mouth hard to open, leave the back teeth unable to meet, or create gaps at the front teeth. Because this interferes with daily life, anyone considering the surgery should consult specialists thoroughly and fully understand the risks and countermeasures.

What Can You Do to Keep Jaw Shaving from Failing?

Advance preparation and planning are critically important to the success of jaw-shaving surgery. Here are concrete steps you can take to avoid failure.

Share the Finished Image in Detail

For jaw-shaving surgery to succeed, doctor and patient must share a detailed image of the finished result. That’s because this surgery shaves the bones of the face and profoundly affects its overall impression. It is important to discuss your desired facial line and ideal face shape thoroughly in advance. Conveying it visually with photos and illustrations, or confirming with simulation images, is also a good idea. Talking through every detail until both sides are satisfied and aligned is said to raise post-surgery satisfaction.

Resolve Every Question

Before undergoing jaw-shaving surgery, resolve every question and worry you have. This surgery requires advanced skill, and going in without truly understanding it can lead to regret. At the pre-surgery counseling, you should receive detailed explanations of the procedure, risks, and post-operative course. If you have questions or anxieties, don’t hesitate — ask and settle them.

How Can You Aim for a Smaller Face Without Shaving Your Jaw?

Because jaw-shaving surgery involves risks, plenty of people would rather avoid it. Fortunately, several methods exist for aiming at a smaller face without shaving the jaw. Here are the specifics.

Botox Injections

Botox injections are popular as a way to aim for a smaller face without shaving the jaw — especially effective for those concerned about jaw prominence. The treatment injects an agent into the masseter, a jaw muscle, to relax its tension. It involves little pain or swelling, and treatment time is short. Results appear quickly and downtime is brief, making it accessible even for busy people. It also works on frown lines and nasolabial folds, so anti-aging benefits can be expected too.

Hyaluronic Acid Injections

Hyaluronic acid injections are considered an effective way to sharpen the chin line and achieve a smaller face. Because the substance exists naturally in the body, the allergy risk is low and safety is high. It is mostly used for the cheeks and wrinkles, but injected into the chin it refines the profile line and improves the balance of the whole face. The line from nose to lips to chin-tip becomes closer to straight, so the profile looks beautiful and the facial line looks tighter from the front as well. Since it is absorbed over time, maintaining the effect requires periodic injections — but with little pain or risk, it is a popular treatment.

KADOMORI-Style Facial Slimming

KADOMORI-style facial slimming is an original technique that balances the face from the skeletal level, aiming to improve the impression of the entire face. Rather than simply making the face smaller, the treatment refines the whole face beautifully while weighing the size and balance of each feature.

Expected benefits

・A smaller face

・More defined, balanced features

・Improved facial balance

・A shorter facial length

・A transformed overall impression

・Less “empty space” in the face

Recommended for

・Those who want a smaller face starting from the bone structure

・Those concerned about a prominent jaw or cheekbones, or the width and length of their face

・Those who want to avoid surgery such as bone-cutting

・Those who want their features to stand out

・Those who want better overall facial balance

・Those concerned about skeletal distortion

Treatment flow

1. Counseling & Photography

　We photograph your face before treatment, then explain the treatment and hold a counseling session.

2. Size Measurement

　We measure three points — jawline, cheeks, and face length — and check your facial balance.

3. Facial Slimming

　Using the Synchro Wave, we correct the facial bones by hand while a gentle current flows. This corrects distortion and balances the face.

4. Size Measurement & Photography

　After the treatment we measure again and compare with before.

5. Home-Care Advice

　We advise on face-slimming massage and exercises you can do at home, and on visit frequency.

KADOMORI-style facial slimming is distinguished by its use of the Synchro Wave®, which heightens the treatment’s effect and makes it last longer.

Concerned About Your Jaw? Consult KADOMORI!

To avoid a failed jaw-shaving surgery, thorough advance counseling and detailed sharing of the finished image are essential. Before opting for surgery, also consider alternatives such as Botox, hyaluronic acid injections, and KADOMORI-style facial slimming. If your jaw concerns you, please consult KADOMORI. Let’s aim for your ideal facial line together.

We also cover jaw prominence in these articles.

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