An operation to reposition either the upper, lower, or both jaws, in individuals who have a large discrepancy between the size of the jaws in relation to each other, or in whom the jaws are abnormally positioned.
Discrepancies between jaw size/position are relatively common and those individuals affected will usually have a malocclusion (poorly aligned teeth and bite) which mostly can be treated using orthodontics (braces) alone. However a small proportion of individuals with severe jaw discrepancies have to be treated with orthognathic surgery.
- Dental and facial appearance is severely compromised leading to high levels of psychological distress, affecting interpersonal relationships and quality of life.
- Compromised jaw function can result in:
- Difficulty while eating in public because it cannot be done in a socially acceptable way
- Damage to the gums and palate due to a traumatic bite which may compromise the prognosis of the teeth
- Jaw muscle and jaw joint problems
- Speech difficulties
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