Severe skeletal bimaxillary protrusion treated with micro-implants and a self-made four-curvature torquing auxiliary: A case report

Figure 8 Facial profile photographs and cephalometric superimpositions. A: Tracing comparison of facial profile photographs at the five different stages of pretreatment, leveling and aligning, progress I, posttreatment, and 2-year follow-up; B: Superimposition at the five stages; C: Superimposition at pretreatment (black) and leveling and aligning (green); D: Superimposition at pretreatment (black) and posttreatment (red); E: Superimposition at pretreatment (black) and 2-year follow-up (blue, showing retention).