Stability of Soft Tissue Profile After Mandibular Setback in Sagittal Split Osteotomies: A Longitudinal and Long-Term Follow-Up Study

Among the reasons for 3-dimensional long-term soft tissue changes of shape, the surgical technique, the normal process of human aging, the initial growth direction, and remodeling processes must be considered. Growth direction positively influenced the long-term outcome of setback surgery in female compared with male patients because further posterior movement of the mandibular soft tissue occurred.