Chin Surgery

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What is a Chin Surgery?

Chin Surgery, also known as genioplasty/mentoplasty, is surgical repositioning of the upper jaw (maxilla), lower jaw (mandible), or both, to correct skeletal and dental irregularities. Bone can be added, removed, or repositioned on the jaw, as well as using an implant.

It can improve facial proportions, Weak or Receding Chin (Microgenia), Overly Prominent Chin (Macrogenia), asymmetry, and fix airway and breathing problems (e.g. sleep apnea).

Microgenia

Surgery Description

Sliding Genioplasty: A section of the chin bone is cut (osteotomy) and repositioned — forward, backward, upward, downward, or even rotated.

Chin Implant: A synthetic implant (usually silicone or MedPor) is inserted over the chin bone through a small incision (usually inside the mouth or under the chin).

Chin Reduction Surgery: Bone is shaved down or contoured to reduce a chin that is too prominent, long, or pointed.

Functional Genioplasty (Airway or Lip Closure Support): Chin is moved forward to improve airway space (can help with mild obstructive sleep apnea) and Reduces chin muscle strain from trying to close the lips.

What to Expect

There is a substantial amount of work and planning that needs to be done before jaw surgery.

You will have a consult and CBCT scan to determine your diagnosis and tentative treatment plan.
Your surgeon will create a precise computer-guided treatment plan, doing virtual surgical design and simulation for the surgery beforehand to ensure a consistent end result.
The surgery will take place either in office or in the hospital, depending on the severity of the case, but you will be fully under anesthesia.
The surgery will occur inside your mouth, preventing facial scarring, where the surgeon will make cuts in your chin to shape and move them into place according to the simulation. Tiny plates, screws and wires will secure the bones in their new positions. Bone grafts are sometimes added to the jaw to fill in space.
Follow your instructed recovery plan for 1-3 weeks. In general, you will have to keep your mouth clean, not overstrain your jaw, not smoke, have a liquid diet that eases into a soft diet, and take pain, antibiotic, and inflammation medications.