Plastic surgery restores form and function through reconstructive procedures, cosmetic enhancements, and body contouring.
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Sliding genioplasty, also known as osseous genioplasty, is the gold standard for complex chin correction. This procedure involves making a precision cut (osteotomy) horizontally through the chin bone. The lower segment of the bone is then separated from the jaw.
Once mobilized, this bone segment can be moved in multiple directions to achieve the desired outcome. It can be advanced for projection, set back for reduction, shifted sideways for asymmetry, or moved up or down to alter vertical height.
Because it uses the patient’s own living bone, there is no risk of implant rejection or allergic reaction. The bone heals in its new position over several weeks, becoming an integral part of the jaw again. This procedure is exceptionally superior for vertical changes that implants cannot address.
The attached neck muscles move forward with the bone during advancement. This provides a functional lift to the submental area, tightening the neckline and improving the airway space. It offers a comprehensive structural enhancement.
Chin augmentation with implants is a less invasive alternative to cutting bone, primarily suitable for patients requiring horizontal projection. The implants are typically made of solid silicone, porous polyethylene (Medpor), or ePTFE.
The procedure involves creating a tight pocket directly over the chin bone, beneath its lining (periosteum). The sterile implant is inserted into this pocket. It adds volume to the skeletal framework, pushing the soft tissues forward.
Implants come in various shapes and sizes. “Button” implants augment only the central tip, while “extended” anatomical implants taper along the jawline to fill in the pre-jowl sulcus. This creates a seamless transition between the chin and the mandible.
While recovery is generally quicker than osteotomy, implants carry specific risks such as shifting, infection, or bone resorption (erosion) under the implant. They are best suited for mild to moderate recessive chins with normal vertical height.
Chin reduction addresses macrogenia, or an overly prominent chin. The goal is to reduce the prominence while maintaining a natural contour. This is technically more challenging than augmentation because the soft tissue must shrink to fit the smaller bone.
The procedure typically involves an osteotomy. A wedge of bone may be removed to shorten the vertical height, or the chin segment may be set back posteriorly. Simply shaving the bone (burring) is less common for significant reductions, as it can lead to soft-tissue sagging.
Soft tissue management is critical. If the bone is reduced significantly, the chin pad may become ptotic (droopy). Surgeons may perform a soft-tissue suspension or excision to ensure the skin drapes smoothly over the new, smaller frame.
This procedure is often sought by patients who wish to feminize their faces or correct a heavy, jutting jawline. It restores balance to the lower third of the face.
Vertical shortening is performed for patients with a long lower face or vertical maxillary excess. The chin appears elongated, often straining the lips to close over the teeth.
The surgeon performs two parallel horizontal cuts in the chin bone and removes the slice of bone in between them. The inferior segment is then moved up and fixed to the main body of the mandible.
This shortening facilitates lip competence. By reducing the distance the lower lip must travel, the mentalis muscle can relax, eliminating the dimpled, strained look at rest.
It is a precise procedure that requires careful planning to avoid damaging the tooth roots or the mental nerves that exit the jawbone nearby.
Vertical shortening is performed for patients with a long lower face or vertical maxillary excess. The chin appears elongated, often straining the lips to close over the teeth.
The surgeon performs two parallel horizontal cuts in the chin bone and removes the slice of bone in between them. The inferior segment is then moved up and fixed to the main body of the mandible.
This shortening facilitates lip competence. By reducing the distance the lower lip must travel, the mentalis muscle can relax, eliminating the dimpled, strained look at rest.
It is a precise procedure that requires careful planning to avoid damaging the tooth roots or the mental nerves that exit the jawbone nearby.
In the context of sleep apnea treatment, genioplasty is often referred to as Genioglossus Advancement. The primary goal is functional airway expansion rather than aesthetics, although the appearance is altered.
The surgeon creates a rectangular window in the chin bone that exposes the genioglossus (tongue) muscle attachment. This piece of bone is pulled forward and locked, physically dragging the base of the tongue away from the airway.
This procedure is often combined with maxillomandibular advancement (jaw surgery) for severe apnea. It prevents the tongue from blocking the throat during sleep, improving oxygenation and sleep quality.
The aesthetic outcome is a more projected chin. Surgeons strive to balance the maximum advancement needed for the airway with a cosmetically acceptable profile.
Revision genioplasty corrects unsatisfactory results from prior surgeries. This may involve removing a shifted implant, correcting asymmetry from a prior osteotomy, or addressing soft-tissue deformities such as the witch’s chin.
These cases are complex due to scar tissue and altered anatomy. The surgeon may need to use bone grafts to fill defects or custom-carved implants to camouflage irregularities.
The goal is to restore normal anatomy and function. It often requires meticulous soft-tissue work to resuspend sagging chin pads that were not adequately secured during the initial procedure.
For patients seeking a temporary or less invasive option, dermal fillers offer a non-surgical alternative. High G-prime fillers (stiff hyaluronic acid or calcium hydroxylapatite) are injected deep into the bone to project and shape the chin.
This allows for precise contouring and immediate results with no downtime. It is an excellent way for patients to “test drive” a new chin shape before committing to surgery.
However, fillers are temporary and require maintenance every 12 to 18 months. They cannot achieve the same degree of projection or vertical change as surgery, and can become costly over time.
Autologous fat grafting involves harvesting fat from the patient’s body and injecting it into the chin area. This provides a permanent, natural alternative to synthetic fillers.
It is often used to soften the edges of an implant or to blend the chin into the jawline. While less predictable than implants due to some fat reabsorption, it improves the quality of the overlying skin.
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The most common materials are solid silicone and porous polyethylene (like Medpor). Silicone is smooth and easier to remove if necessary. Porous polyethylene allows the body’s tissue to grow into it, holding it very securely in place, but making it harder to remove.
The cut is made well below the roots of the lower teeth. Surgeons use X-rays and CT scans to map the exact location of the roots and the nerves to ensure the cut is placed in a safe zone known as the “safety margin.”
It can fix a crooked chin. By cutting the bone, the surgeon can physically slide the chin tip to the left or right to align it with the center of the face. This creates visual symmetry even if the rest of the jaw remains slightly asymmetrical.
No. In most cases, the incision is made inside the mouth, so there are no external scars. If an external incision is used (under the chin), it is placed in a natural crease where it is hidden from view and fades significantly over time.
Yes, the titanium plates and screws used to hold the bone in place are designed to remain in your body permanently. They are biocompatible and generally pose no issues. They are only removed if they become infected or palpable, which is rare.
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