Osseous Genioplasty for Chin Deformity

Osseous genioplasty or sliding genioplasty is a procedure performed to reshape the bony structure of the chin. It is typically requested by patients who wish to increase chin projection, correct facial asymmetry, and to correct certain medical conditions. Depending on the complexity of the procedure needed, osseous genioplasty can be either an outpatient or in-office procedure. It typically takes no longer than a chin implant procedure to perform.

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Osseous Genioplasty for Chin Deformity

avg. recovery
18 weeks
permanence
Is permanent
application
Not Applicable
surgical
Yes
cost
$3000 - $8000

About the Procedure

Genioplasty refers to any surgical procedure performed to reshape the contours of the chin. In most cases, this procedure can be performed quickly and without using general anesthesia. It is typically performed in a surgeon’s office operating room and does not require a hospital stay. However, some patients request the use of general anesthesia to be totally unconscious during the process and thereby allow the surgeon to work faster. During the procedure, the surgeon will use medical equipment including reciprocating bone saws, drills, forceps, screws, wires, surgical plates, and rubber bands. The mandible is cut inside the mouth near the wisdom teeth to free it. The surgeon can then reposition the lower jaw to achieve increased facial harmony. The other main genioplasty technique for correcting a recessed chin is to place synthetic or fat transfer implants underneath the skin in the weak or recessed area. Some people elect to have liquid chin implants injected to add volume but the results are temporary, typically lasting between 9-12 months. Osseous genioplasty creates permanent results. In some cases, additional corrective surgeries or nonsurgical procedures are necessary to achieve the desired aesthetic results.

The goal of osseous genioplasty is to restore facial harmony. Osseous genioplasty can be used to define an underdeveloped chin or give it more prominence. As the shape of the chin is affected by the shape of the nose, this surgery is often paired with rhinoplasty.

Concerns

Osseous Genioplasty for Chin Deformity addresses concerns such as:

Recovery Notes

Patients are generally able to resume normal function within 1 week however swelling, bruising, redness, and discomfort will likely still be present. A chin strap dressing will be placed after surgery to reduce swelling and support the new position of the chin. A soft or liquid diet will be advised for 1 week. If incisions are made within the mouth, peroxide rinses may be advised after each meal. Recovery times will vary between 6 weeks and 6 months with final results more apparent in 1 year.

Ideal Candidate

The ideal candidate for osseous genioplasty has a severely retruded chin in horizontal deformities, an overly projected chin requiring bony reduction, lengthening or shortening in vertical dimension (too tall or too short of a chin) as well as transverse asymmetries.

Not Recommended For

Osseous genioplasty is not recommended for patients with periodontal disease or patients who have long teeth with a short mandibular height.

Side Effects

Side effects from osseous genioplasty may include bleeding, infection, non union of the bony segments after osteotomies, and sensory changes from injury to the mental nerve which is the most important complication of this procedure. Approximately 20% to 30% of candidates may expect some change in sensation in the distribution of the mental nerve on one or both sides.

Pros
  • Permanent
  • Can treat a variety of chin deformities
Cons
  • Invasive
  • Higher Risk of Side Effects

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