Case Report
Copyright ©The Author(s) 2021.
World J Clin Cases. Jan 26, 2021; 9(3): 722-735
Published online Jan 26, 2021. doi: 10.12998/wjcc.v9.i3.722
Figure 4
Figure 4 Appearance during treatment, at progress I stage after extraction of the four first premolars. A: Facial photographs; B: Intraoral photographs (black arrows indicate the self-made four-curvature torquing auxiliary); C: Radiographs.