Drawing a Custom Reslice Line
Draw a custom reslice line in any reslice viewer of the 3D patient workspace (coronal/sagittal/ axial) to create a custom reslice to inspect the (CB)CT data in detail. For example to mark and inspect the root canals and to make annotations.
Notes
The custom reslice line is always perpendicular to the reslice where the annotation is placed.
The default slice thickness is Endo (0,5 mm).
Click Diagnose on the menu bar.
Click Custom reslice 
.
Indicate the custom reslice's start and endpoint.
The custom reslice annotion is added to the SmartPanel Annotation tab.
The position and the orientation of the custom reslice can be changed by clicking and dragging the start and endpoint.
Move the custom reslice by clicking and dragging the reslice line.
Rotate the custom reslice by clicking and dragging one of the reslice endings.