Chin augmentation (Mentoplasty)

The position and shape of the chin play a key role in facial harmony and aesthetic balance. When the chin lies forward of the vertical aesthetic line drawn from the nasal root, the condition is referred to as prognathism, while when it lies behind this line it is known as retrognathia. Both conditions can disrupt overall facial proportions and, in some cases, may be associated with bite alignment problems.
Genioplasty is the procedure that restores the shape and size of the chin, either by increasing its projection with the placement of a special implant or by reducing its size through removal or repositioning of a portion of the lower jawbone (mandible).
Chin surgery is often combined with rhinoplasty in order to restore facial balance, as chin size can significantly influence the perceived size of the nose.

How is it performed?
The procedure is performed under general anesthesia or local anesthesia with sedation, and usually does not require hospitalization.
In cases of retrognathia (receding chin), correction is achieved either by placing a silicone or polyethylene implant in front of the lower part of the mandible, or by performing an osteotomy of the lower jaw and moving it forward. Access is usually obtained through a small incision inside the mouth, in the fold between the gums and the lower lip (lower vestibular sulcus), or through an external incision hidden in the natural crease beneath the chin.
In cases of prognathism (protruding chin), treatment involves osteotomy of the lower jaw and repositioning it backward. This approach is typically performed through an intraoral incision.
The sutures inside the mouth are absorbable and dissolve within a few weeks. If an external incision is used, the stitches are usually internal and absorbable and do not require removal.

What should I expect after surgery?
The procedure lasts about one hour, and you can usually return home the same afternoon. Pain is mild and managed with standard pain relievers. Antibiotics are typically prescribed for five days after surgery.
If the incision is made inside the mouth, a soft diet and antiseptic mouth rinses are recommended for a few days.

What complications may occur?
Swelling in the area is common during the first few days and may temporarily affect speech slightly; it usually subsides within 2–3 days. Bruising is also common and typically resolves within 4–5 days.

Infection may occur, as with any surgery, and is treated with antibiotics. If the implant becomes infected, it may need to be removed.

Temporary or, rarely, permanent changes in sensation may occur due to pressure on nerves from the implant. During the first few weeks after surgery, care should be taken to avoid trauma or pressure on the chin, as this could cause implant displacement.

When can I return to normal activities?
From the first day after surgery, you may move around freely, but household tasks should be avoided for about one week. Light activity is allowed after 3–4 days, return to work is usually possible within 5–7 days, and full return to normal activities is expected after approximately one month.