Fig. 2

Box plots of the Wits changes (mm) in the moderate and pronounced Class II patients (A) and Class III patients (B) before and after monomaxillary surgery, bimaxillary surgery, and premolar extractions. MnA: mandibular advancement, MnS: mandibular setback, MxA: maxillary advancement, MxS: maxillary setback. Statistical significance: P < 0.05