A new 3D analysis on displacement of proximal segment after bilateral sagittal split osteotomy for class III asymmetry

Knowledge of the ability and limitation of the proximal segment rotation improves the virtual simulation.

When a BSSO procedure is used for patients with class III asymmetry, the distal segment should not only move backward, to correct the prognathism, but also move laterally, tilt, or turn to the right or left side to correct the deviation. This bony interference or gap between the proximal and distal segments of the mandible is inevitable to some extent, which might lead to displacement of the proximal segment [4, 5].

https://link.springer.com/article/10.1007/s00784-020-03242-3

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