Fig. 2

Access planning under dynamic navigation. (a) The registration device (A) was fixed in the groove of the model using silicone rubber (B) for CBCT scans; (b) 3D images of the approach design in the navigation system; (c) Coronal plane view; (d) Axial plane view. The “C” displays the implant; (e) Sagittal plane view. The “D” exhibits the center of the implant front. The “E” demonstrates the front of the hemispherical cavity