Computer-navigated surgery may be essential for successful reconstruction of complex facial fractures.

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The reconstruction of complex three-dimensional structures such as the orbital cavity remains one of the major challenges in facial surgery. Fractures of the cheekbone (zygomatic bone), which forms the inferior and lateral margin of the orbit, account for about 40% of injuries in the facial skull region caused by trauma or accidents. This means that zygomatic bone fractures are the second most common type of fracture in the facial region.

Fractures affecting the orbit may not be noticed immediately by the patient. This is because the swelling can camouflage problems of a changed orbital geometry by keeping the eye in the correct position for some days. Only when the swelling subsides the effects of the facial fracture involving the eye socket become evident and the sensory perception changes so that double vision or restricted motility of the eye may be noticed. 

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