Your 3D CT scan shows that the left anterior osteotomy is more lateral than the right side. Because there is a 4 hole plate on it this is most likely the way it was set in surgery rather than 'popping out' afterwards. Cheekbone reduction osteotomies are never completely symmetric in both bone c...
Cheekbone reduction of any significance is done by osteotomies and plates and screws which would be visible by any form of x-ray imaging. Cheekbone reduction by burring is less detectable as no hardware is implanted in the procedure.
In my opinion, modest cheek bone reduction can yield reasonable results. Having said that soft tissue healing can be unpredictable. Please consult with several board certified plastic surgeons or board certified facial plastic surgeons.
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