21121 Genioplasty; sliding osteotomy, single piece

Name of the Procedure:

Genioplasty; sliding osteotomy, single piece Common name(s): Chin surgery, Chin enhancement, Sliding genioplasty

Summary

Genioplasty with sliding osteotomy is a surgical procedure aimed at improving the appearance and functionality of the chin by repositioning a single piece of the lower jawbone. This method allows for the forward or backward movement of the chin to achieve a more harmonious facial balance.

Purpose

The procedure addresses:

• Receding chin (retrognathia)
• Protruding chin
• Asymmetrical chin
• Post-traumatic chin deformities Goals/Outcomes:
• Improved facial aesthetics
• Enhanced jaw function
• Increased self-confidence

Indications

Indications for the procedure include:

• Noticeable chin recession or deficiency
• Protruding or excessively prominent chin
• Chin asymmetry
• Functional issues with biting and speaking
• Previous trauma to the chin affecting aesthetics

Preparation

Pre-procedure instructions:

• Fasting for 8 hours prior to surgery
• Discontinuing certain medications (e.g., blood thinners) based on doctor's advice Diagnostic tests and assessments:
• Physical examination
• X-rays or 3D imaging of the jaw
• Medical history review

Procedure Description

1. Anesthesia: General anesthesia or intravenous sedation is administered.
2. Incision: A small incision is made inside the mouth, along the lower gum line.
3. Osteotomy: The surgeon cuts the chin bone (mandibular symphysis) horizontally.
4. Repositioning: The cut bone is then slid forward or backward to the desired location.
5. Fixation: The repositioned bone is fixed in place with plates and screws.
6. Closure: The incision is closed with sutures.

Tools and technology used:

• Surgical saw
• Fixation plates and screws
• Surgical retractors

Duration

The procedure typically takes 1 to 2 hours.

Setting

Performed in a hospital or specialized surgical center.

Personnel

• Maxillofacial surgeon or plastic surgeon
• Anesthesiologist
• Surgical nurses
• Operating room technicians

Risks and Complications

Common risks:

• Swelling and bruising
• Pain and discomfort
• Infection Rare complications:
• Nerve injury causing numbness
• Bone healing issues
• Asymmetry or dissatisfaction with cosmetic outcome Management:
• Antibiotics for infection
• Pain management strategies
• Follow-up surgery if necessary

Benefits

Expected benefits:

• Balanced and aesthetically pleasing facial profile
• Enhanced jaw function
• Positive impact on self-esteem Benefits are typically realized within a few weeks to months post-surgery, following initial recovery.

Recovery

Post-procedure care:

• Pain medication and antibiotics as prescribed
• Soft food diet for the initial weeks
• Oral hygiene to prevent infection Expected recovery time:
• Initial recovery: 1 to 2 weeks
• Full recovery: 4 to 6 months
• Restrictions: Avoid strenuous activities initially Follow-up appointments:
• Regular check-ups to monitor healing

Alternatives

Alternative treatments:

• Chin implants
• Dermal fillers (temporary solution) Pros and cons:
• Chin implants: More invasive, risk of implant shift
• Fillers: Non-invasive, temporary results, repeated treatments needed

Patient Experience

During the procedure:

• No pain due to anesthesia Post-procedure:
• Initial discomfort, swelling, and bruising
• Manageable pain with medications Comfort measures:
• Cold compresses for swelling
• Soft food diet
• Sleep with head elevated for the first few days