Fig. 3

The 3D superposition digital model (the right side of the patient used the B-type guide plate to assist the implantation of the mini-implant, and the left side without any guides was used as the control group)
The 3D superposition digital model (the right side of the patient used the B-type guide plate to assist the implantation of the mini-implant, and the left side without any guides was used as the control group)