If the quality of the scan data is low, it may lead to inaccurate AI segmentation results. In such cases, you can make simple adjustments to the margin line for more accurate outcomes.
Editing Method_1 : Move points
![Move_points](https://cdn.laonmedi.io/images/Tooth_segmentation_confirm/Segmentation_step/Edit_margin_line/Move_points.gif)
- Click the tooth you want to edit with the left mouse button.
- Left-click on the point you want to edit and move it.
Editing Method_1 : Draw margin
![Draw_margin](https://cdn.laonmedi.io/images/Tooth_segmentation_confirm/Segmentation_step/Edit_margin_line/Draw_margin.gif)
- Click the tooth you want to edit with the left mouse button.
- Position the mouse at the editing location.
- Ctrl + Left-click and drag the mouse to draw points, and the modification will be applied.