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Frontal or sagittal plane step osteotomy

The long axis of the osteotomy can be oriented in either the sagittal or the frontal plane.
The frontal plane step osteotomy (left) is technically easier to perform and therefore is used when ever possible.
The sagittal plane step osteotomy (right) is more versatile for correcting compound or dual deformities and therefore is used with these more complicated situations.