Jaw Reduction Surgery: Risks and Recovery Insights

Osteotomy surgery

Hello Doctor: I have larger facial bones and am considering undergoing bone reduction surgery (specifically on the zygomatic and mandible bones).
Is there a possibility of permanent motor and sensory nerve damage? What is the approximate probability of this occurring? How can I reduce the risks? I am really scared...
Thank you.

kelly, 20~29 year old female. Ask Date: 2002/08/05

Dr. Luo Qihua reply Plastic Surgery

Zygomatic and mandibular bone reduction surgeries can be performed intraorally, and generally, they do not damage motor nerves such as the facial nerve.
During zygomatic bone reduction surgery, it is important to pay attention to the second branch of the trigeminal nerve, which is responsible for sensation from the lower eyelid to the upper lip.
In mandibular bone reduction surgery, attention should be given to the third branch of the trigeminal nerve, which is responsible for sensation in the lower lip and the gingiva of the lower jaw.
Experienced surgeons typically take care to avoid injuring these nerves.
Plastic Surgeon Dr.
Kihua Lo.

Reply Date: 2002/08/05

More Info

Jaw reduction surgery, often referred to as orthognathic surgery or jaw contouring, is a procedure designed to reshape the jawbone to achieve a more balanced facial appearance. While many patients seek this surgery for aesthetic reasons, it is essential to understand the associated risks and recovery process.

Risks of Jaw Reduction Surgery
1. Nerve Damage: One of the most concerning risks of jaw reduction surgery is the potential for nerve damage, particularly to the inferior alveolar nerve, which runs through the lower jaw. This can lead to temporary or, in rare cases, permanent numbness, tingling, or loss of sensation in the lower lip, chin, and teeth. The likelihood of experiencing nerve damage varies, but studies suggest that it occurs in approximately 5-10% of cases.
2. Infection: As with any surgical procedure, there is a risk of infection at the surgical site. Proper preoperative assessment and postoperative care can help mitigate this risk.

3. Bleeding: Excessive bleeding during or after surgery is another potential complication. Surgeons take precautions to minimize this risk, but it can occur.

4. Scarring: While most incisions are made inside the mouth to minimize visible scarring, there is still a possibility of scarring, especially if external incisions are necessary.

5. Jaw Function Issues: Post-surgery, some patients may experience issues with jaw function, such as difficulty chewing or speaking. These issues typically resolve with time and rehabilitation.

6. Asymmetry: There is a risk that the results may not be symmetrical, leading to dissatisfaction with the aesthetic outcome.

Recovery Insights
Recovery from jaw reduction surgery can vary significantly among individuals, but here are some general insights:
1. Initial Recovery: The first few days post-surgery are typically the most uncomfortable. Patients may experience swelling, bruising, and pain, which can be managed with prescribed medications.
2. Dietary Restrictions: A soft or liquid diet is usually recommended for the first few weeks to allow the jaw to heal properly. Gradually, patients can reintroduce solid foods as they feel comfortable.

3. Follow-Up Appointments: Regular follow-up visits with the surgeon are crucial to monitor healing and address any complications that may arise.

4. Physical Therapy: Some patients may benefit from physical therapy to regain full function of the jaw and improve mobility.

5. Full Recovery: While initial healing may take a few weeks, complete recovery and final results can take several months to a year as swelling subsides and the jaw settles into its new position.

Reducing Risks
To minimize the risks associated with jaw reduction surgery, consider the following:
1. Choose an Experienced Surgeon: Selecting a board-certified oral and maxillofacial surgeon with extensive experience in jaw surgeries can significantly reduce the risk of complications.

2. Preoperative Assessment: A thorough preoperative assessment, including imaging studies and a detailed discussion of your medical history, can help identify any potential risks specific to your case.

3. Follow Preoperative Instructions: Adhering to your surgeon's preoperative instructions, including dietary restrictions and medication management, can help ensure a smoother surgery and recovery.

4. Postoperative Care: Following postoperative care instructions diligently, including taking prescribed medications and attending follow-up appointments, is crucial for a successful recovery.

5. Communicate Concerns: If you have specific fears or concerns about the surgery, discuss them openly with your surgeon. They can provide reassurance and additional information tailored to your situation.

In conclusion, while jaw reduction surgery can offer significant aesthetic benefits, it is essential to weigh these against the potential risks and recovery challenges. By choosing a qualified surgeon and following their guidance, you can help ensure a safer surgical experience and a smoother recovery.

Similar Q&A

Understanding Orthognathic Surgery: Benefits, Costs, and Risks Explained

Orthognathic surgery can be performed entirely within the oral cavity, leaving no scars on the beautiful face, and it is an art that combines science, medicine, and aesthetics. Analyzing the human face involves the jawbone, the temporomandibular joint, muscle groups, and the nerv...

Dr. Yang Hui reply Dentistry
Hello, Xin Xin: I am not sure about the exact cost of orthognathic surgery, but it is approximately between 100,000 to 200,000 TWD. Generally, it is necessary to combine it with orthodontic treatment. The surgery requires consent from a guardian. All surgeries carry risks, and th...

Understanding Zygomatic Bone Reduction: Benefits, Risks, and Recovery

First of all, thank you, doctor, for answering my questions. Recently, I visited the craniofacial department at Chang Gung Memorial Hospital, and the doctor mentioned that my occlusion is quite nice and my masseter muscles are relatively relaxed. However, I am troubled by having ...

Dr. Jiang Baicong reply Plastic Surgery
Mr. Hesitation: If your issue is with prominent cheekbones, particularly at the zygomatic arch, surgery in this area indeed carries a higher risk of damaging the facial nerve. To address this, procedures such as medialization of the zygomatic arch or rotation of the arch require ...

Can Jaw Surgery Correct Protruding Outer Eye Bone? Risks and Costs Explained

The outer edge of the bone at the lateral canthus of one eye is more prominent. Is it possible to perform a bone contouring surgery through an intraoral approach? What is the risk of injuring the facial nerve? How much budget should be prepared for the medical expenses after the ...

Dr. Luo Qihua reply Plastic Surgery
Prominent cheekbones can be surgically addressed through an intraoral approach; however, achieving perfect symmetry with the opposite side involves considerations related to the paranasal sinuses, which require a thorough evaluation. The risk of injuring the facial nerve is relat...

Understanding Jaw Surgery: Success Rates, Costs, and Recovery Insights

I consulted three dentists, and two of them said that my teeth are aligned and do not require braces, indicating that my issue lies with the bone structure. My aesthetic concerns are a "protruding jaw" and a "long philtrum." There have been news reports during...

Dr. Lai Yishao reply Dentistry
In general, issues related to the teeth, jaws, and facial structure require data collection, diagnostic analysis, and the development of a treatment plan. Based on the current information, it is insufficient for diagnosis and cannot provide an explanation. It is recommended to co...