Also referred to as orthognathic surgery, surgical orthodontics deals
with the abnormalities in the relationship of the upper and lower jaw,
which can impact the position of your teeth. Poor jaw alignment can
affect chewing, breathing, speech, and proper facial symmetry and
balance. Orthognathic surgery translates to "changing jaws" and is
collaboration between an orthodontist and an oral surgeon. The oral
surgeon shifts the jaws in to the correct position, while the
orthodontist ensures that your teeth properly align.
When orthodontic treatment alone will not address bite and facial
aesthetic concerns, your doctor may suggest orthognathic surgery, but
only for patients who have finished growing. For patients in their late
teens, an orthodontist may take serial cephalometric x-rays to determine
the end of the growth phase before starting treatment. These special
x-rays show your profile so the doctor can see the relationship of the
upper to lower jaws. To measure the level and direction of growth,
cephalometric x-rays can be taken annually and superimposed onto one
another. Once an orthodontist can see that growth is complete, surgical
orthodontic treatment can begin.
Placement of the braces by the orthodontist is the first step of
surgical orthodontic treatment. During this pre-surgical phase,
orthodontic treatment shifts the teeth in to the proper orientation and
alignment over the jaw bone. Next, the oral surgeon completes the
surgery, moving the upper and lower jaw into the correct position. In
the post-surgical phase of treatment, the orthodontist will fine tune
the bite after the surgery.
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