Adjusting the segments
Click Bar deformation tool 
and then click Segments 
.
Below the segment options you will find a table of segments and joints. Add or remove handles to/from one or several segments and/or joints by selecting or clearing the corresponding check boxes.
Notes
The available segments depend on the chosen bar type.
A segment is a section between two implants as well as the distal extensions. A joint is an implant section.