Mandibular Setback Surgery
What is Mandibular Setback Surgery?
Mandibular setback surgery is a vital orthognathic surgery designed to correct a protruding lower jaw, medically known as mandibular prognathism. This condition causes the lower jaw to extend beyond the upper jaw, leading to an improper bite (underbite), difficulties in chewing and speaking, and often dissatisfaction with facial appearance. By precisely repositioning the mandible, this procedure restores jaw harmony, enhances oral function, and improves facial aesthetics.
Mandibular setback surgery involves making precise cuts in the lower jawbone (mandible) and repositioning it backward. This realignment enhances occlusion (bite) and facial balance. The surgery is typically combined with orthodontic treatments before and after the procedure to ensure proper teeth alignment and optimal bite function.
When is Mandibular Setback Recommended?
You should consider mandibular setback surgery if you experience:
A visibly protruding lower jaw causing facial imbalance
Difficulty biting, chewing, or speaking clearly due to jaw misalignment
Chronic discomfort or pain in the jaw or temporomandibular joint (TMJ)
Sleep apnoea or breathing problems linked to jaw position
Previous orthodontic treatments that have not fully corrected jaw alignment
Benefits of Mandibular Setback Surgery
Corrects underbite and improves bite functionality for easier chewing and clearer speech
Enhances facial aesthetics by creating better jaw symmetry and profile
Reduces or eliminates jaw pain and temporomandibular joint (TMJ) -related issues
Can improve breathing and reduce symptoms of obstructive sleep apnoea in some patients
Boosts self-confidence through improved appearance and function
Risks and Considerations in Mandibular Setback Surgery
Like any surgical procedure, mandibular setback surgery carries some risks:
Temporary or, in rare cases, permanent numbness or altered sensation in the chin and lower lip due to nerve involvement
Post-operative swelling, bruising, and discomfort that usually resolve within a few weeks
Risk of infection or bleeding, which is managed with proper care and medication
Possible slight relapse or shifting of the jaw position over time, sometimes requiring revision
The necessity for careful coordination with orthodontists for optimal results
Your surgeon will provide a comprehensive evaluation and discuss potential risks and benefits specific to your case.
Recovery and Post-Operative Care in Mandibular setback surgery
Initial recovery from mandibular setback surgery usually takes 2 to 3 weeks for healing. During this period, patients are advised to maintain a soft or liquid diet, avoid strenuous activities, and follow prescribed medication for pain and swelling control. Complete healing, including bone remodeling and orthodontic adjustments, may take several months. Follow-up appointments are essential to monitor progress and ensure successful jaw function.
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FAQ
What is mandibular setback surgery?
It is a surgical procedure that repositions a protruding lower jaw backward to correct an underbite and improve facial balance.
How long does the mandibular setback surgery take?
Typically, the surgery lasts between 2 to 4 hours, depending on complexity and whether combined with other procedures.
Is mandibular setback surgery painful?
Discomfort is managed with medications. Mild to moderate swelling and soreness are common but improve significantly within weeks.
How long is the recovery period after mandibular setback surgery?
Initial healing takes 2 to 3 weeks, but full recovery with orthodontic treatment can span several months.
What are the risks for mandibular setback surgery?
Risks include temporary numbness, swelling, infection, and rare cases of jaw position relapse.
Will I need braces before or after mandibular setback surgery?
Yes, orthodontic treatment is often necessary both before and after surgery to align teeth properly.
Can mandibular setback surgery improve breathing problems?
In some cases, repositioning the jaw can help reduce obstructive sleep apnoea symptoms.
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Elegance Superspeciality Dental Clinic
210, Trinity business Park,
Madhuvan Circle,
LP Savani Rd,
Adajan, Surat, Gujarat 395009