Recessed Chin: Implant or Sliding Genioplasty? How to Choose Based on Severity

📅 Updated 17/06/2026·🏷️ Chin & Jaw·✍️ Editorial team — Dr. Vo Thanh Sang

Viewed in profile, the face can look as though something is "missing" around the chin, with the jawline drawing inward and an overall sense of imbalance even when the nose and lips look fine. This is a very real concern for many people with a recessed chin. The question comes up again and again: between a chin implant or sliding genioplasty, which is right for me? This article will help you understand what each method actually involves, how the surgeon chooses based on the degree of chin recession and the relationship of your bite, so you can walk into your consultation with the right, focused questions.

What is a recessed chin and why does severity matter?

A recessed chin (chin hypoplasia) is a condition in which the chin bone has not developed far enough forward, so the projecting point of the chin sits back from the ideal aesthetic line when viewed in profile. The degree of recession varies greatly from person to person, so there is no single solution that fits everyone.

Typically, surgeons divide it into three groups to guide their approach:

Mild recession: the chin sits back only slightly, the face still looks fairly harmonious, and it is mainly noticeable in a profile photo.
Moderate recession: the chin–neck contour is poorly defined, sometimes with a "false double chin" sensation even without being overweight.
Severe recession: the chin is clearly set back, often accompanied by a malocclusion or a retruded lower jaw.

This classification matters because it determines whether you need a soft-tissue or material-based intervention, or whether the bone structure itself needs to be addressed.

How do a chin implant and a sliding genioplasty differ?

Both methods aim to improve the contour of the chin in profile, but the mechanisms are entirely different.

Chin augmentation with an implant

The surgeon places an implant (usually medical-grade silicone or an approved biomaterial) over the surface of the chin bone to add projection forward or downward. This is a less invasive technique with a shorter procedure time, suitable when the underlying bone is fundamentally stable and only added volume is needed.

Advantages: a gentler procedure, with the option to remove or replace the implant if needed.
Limitations: it cannot correct a true bony discrepancy; in cases of severe recession, a large implant may look unnatural or increase the risk of pressure on the tissue.

Sliding genioplasty

This is surgery that cuts and repositions the chin bone itself to the desired location, then fixes it in place with a plate and screws. Because it works on the underlying structure, sliding genioplasty can adjust the chin in multiple directions — forward, upward, or reduced — and can handle complex cases that a material implant struggles to achieve.

Advantages: uses the body's own bone, addressing severe recession and certain jaw relationship discrepancies.
Limitations: it is a larger operation with a longer recovery time, and requires a specialist surgeon and a properly accredited surgical facility.

Chin implant or sliding genioplasty for each degree of chin recession?

To answer the question of a chin implant or sliding genioplasty, the surgeon looks not only at what you want but also at the degree of chin recession and your imaging. The following is a general orientation, for reference only:

Mild recession: a chin implant is often a reasonable choice, since only a modest amount of volume is needed to restore a natural projection.
Moderate recession: both options may be considered. If the underlying bone is stable and the bite is normal, an implant remains feasible; if the chin's direction needs adjusting or an overly large implant should be avoided, a sliding genioplasty will give a more balanced result.
Severe recession: a sliding genioplasty is often preferred, especially when the recession is accompanied by a retruded lower jaw or significant facial imbalance.

It must be emphasized: this is only a guiding framework. Actual results depend on individual constitution, bone structure, and each person's goals, so a direct examination and a reading of the imaging are essential before an accurate recommendation can be made.

The role of the bite in choosing a method

One factor often overlooked when discussing whether a recessed chin needs an implant or a sliding genioplasty is the bite (occlusion). The chin is the continuation of the lower jaw, so the state of the teeth and jaw directly affects how it should be managed.

If the bite is normal, the issue is purely the projection of the chin — in which case an implant or sliding genioplasty on its own may be sufficient.
If the recessed chin is accompanied by a clear malocclusion (retruded lower jaw, protrusion, or underbite), simply placing a chin implant may mask part of the outward appearance but will not address the root cause. Such cases sometimes require combined orthodontics or jaw surgery, and the surgeon will consider a sliding genioplasty as part of an overall plan.

For this reason, the surgeon usually requests a lateral cephalometric X-ray and an assessment of the bite before advising, rather than relying on a portrait photo alone.

Medical notes: contraindications, risks, and complications

Any intervention on the chin area has limits and risks that must be presented honestly before you decide.

Some situations call for caution or postponement:

An active dental or oral infection, periodontitis, or an uncontrolled focus of infection.
An unstable systemic condition (cardiovascular disease, bleeding disorders, poorly controlled diabetes).
Pregnancy or breastfeeding.
Unrealistic expectations or a body-image psychological concern that should be evaluated first.

Possible risks and complications:

Temporary swelling, bruising, and numbness in the chin and lower lip due to the involvement of the sensory nerve; most recover gradually, though in rare cases it may be prolonged.
With a material implant: implant displacement, capsular contracture, or infection requiring revision.
With a sliding genioplasty: risks related to anesthesia, delayed bone healing, or the need to adjust the plate and screws in some situations.
Results are not perfectly symmetrical — no method can guarantee perfection.

This is why chin intervention should be performed by a specialist surgeon, in a hospital or a properly accredited surgical facility equipped to handle emergencies — not at a spa or a facility lacking sterile conditions.

The consultation process and questions to ask your surgeon

To make your consultation effective, you can prepare a few questions in advance:

Which group does my degree of recession fall into, and which method is more suitable?
Does my bite need to be addressed at the same time?
What are the recovery time, care regimen, and specific follow-up milestones?
What risks should I anticipate with each option?

As for cost, the investment depends on the method, the materials, and the complexity of each case, so this will be discussed in detail after your examination rather than estimated from images alone.

Closing thoughts and an invitation to consult

In short, there is no fixed answer to whether a recessed chin needs an implant or a sliding genioplasty — the right choice depends on the degree of chin recession, the state of your bite, and your own facial structure. Mild recession tends toward an implant, severe recession with a jaw discrepancy usually requires a sliding genioplasty, and the intermediate group needs careful consideration by the surgeon based on imaging.

If you are undecided and would like an accurate assessment of your situation, schedule a direct consultation with Dr. Vo Thanh Sang for advice on a suitable and safe option. Contact the hotline 079 7479 222 for help with booking and to have your questions answered in a relaxed, pressure-free way.