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Facial Surgery @ Kamol Hospital - Thailand Cosmetic & Plastic Surgery

Mandibular Osteotomy, Corrective Jaw Surgery

Corrective Jaw Surgery, Mandibular Osteotomy

in Bangkok, Thailand

          Corrective jaw surgery is a surgical procedure to correct irregularities of the jaw bones and adjust the jaws and teeth to improve how they work. Making these corrections may also improve the patient’s facial appearance. This procedure requires collaboration between an orthodontist and a maxillofacial (jaw and face) surgeon for the planning of your treatment, before surgery and during recovery, until healing is complete. Corrective jaw surgery is appropriate after growth stops, usually around the age of 16-17 years old.


A Good Candidate for Corrective Jaw Surgery

People who have some problems and want to improve both aesthetics and functions of jaw and teeth as follows;

  • Chewing or biting
  • Swallowing, speaking, and breathing
  • Minimize broken teeth
  • The open bits
  • Unbalance the facial feature
  • The ability of the lips to fully close comfortably
  • Pain caused by temporomandibular joint (TMJ) disorder
  • Relief for obstructive sleep apnea


Corrective Jaw Surgery Preparation

           An orthodontist prepares the teeth before surgery by bracing. This phase usually takes 12 to 18 months before surgery to adjust the level and alignment of the teeth. The orthodontist and maxillofacial surgeons work to develop a treatment plan, involving X-rays, pictures, and models of your teeth movement.


Corrective Jaw Surgery Correction

          The procedure usually performs intraorally. Incision scars show on the chin, jaw, or around the mouth. The surgeon makes cuts in the jawbones and moves them into the correct position. Once your jaw movement is completed, the miniplate and screws, wires and rubber bands may be used to secure the bones into their new location. Jaw surgery may perform on the upper jaw, lower jaw, chin, or any combination of these.


Upper Mandibular Osteotomy

Upper jaw surgery may perform to correct the following problems:

  • Significantly receded or protruding upper jaw
  • Crossbite
  • Too much or too little of the teeth showing
  • Open bite
  • Reduced facial growth of the middle of the face

Shows Upper Jaw Surgery

Picture 1. Shows Upper Jaw Surgery


          The surgeon cuts the upper jaw, so it moves as one unit. The jaw and upper teeth move forward or backward until they fit correctly with the lower teeth. The surgeon then fixes by using plates and screws to hold the bone in the new position, then shaves or removes the excess bone. 


Lower Mandibular Osteotomy

Lower jaw surgery may perform to correct the following problems:

  • Receding lower jaw
  • Protruding lower jaw

          The surgeon makes cuts behind the molars and lengthwise down the jawbone, so the front of the jaw can move as one unit. The jaw can be moved to its new position, either forward or backward. Plates and screws hold the jawbone together as it heals.

Lower Jaw Backward Surgery

Picture 2. Lower Jaw Backward Surgery

Lower Jaw forward Surgery
Picture 3. Lower Jaw forward Surgery


Postoperative Care

 After surgery, you will provide guidance and instructions. These usually include:

  • What you can eat
  • Oral hygiene
  • Avoiding tobacco
  • Avoiding strenuous activity
  • Medications to control pain 
  • When to return to work or school, which is generally in1-3 weeks

Jaw healing takes about six weeks after surgery, but complete healing can take up to 12 weeks.


Risks and complication

          Corrective Jaw Surgery is generally safe when performed by an experienced oral and maxillofacial surgeon, in collaboration with an orthodontist. Risks and complications of the surgery, however, may include:

  • Blood loss  
  • Infection   
  • Nerve injury
  • Jaw fracture
  • Relapse of the jaw to the original position
  • Problems with bite fit and jaw joint pain
  • Need for a second surgery
  • Need for root canal therapy on selected teeth
  • Loss of a portion of the jaw



Correcting the alignment of your jaws and teeth with jaw surgery can result in:

  • The balanced appearance of your lower face
  • Improved function of your teeth
  • Health benefits from improved sleep, breathing, chewing and swallowing
  • Improvement in speech
  • Improved appearance

Mandibular Osteotomy, Corrective Jaw Surgery Before & After

See more Before & After

Reviews Patient 24 years old. Lower Mandibular Osteotomy



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