Segmentation Hotkeys
Margin line edit
Edit the tooth margin line using shortcut keys.
![Margin_line_edit](https://cdn.laonmedi.io/images/Hotkeys/Segmentation_step/Margin_line_edit.gif)
- To delete a margin line point of the selected tooth, press
Alt
- When modifying the margin line of the selected tooth, draw the line by dragging the mouse in
Ctrl
- When changing the selected tooth, use
**↓**
↑
**←**
→
to move the tooth selection left, right, up, or down.