Vatech EzScan-i User Manual page 50

7.7.3
Using the Undercut Tool
When preparing restorations, it is important to take into consideration
undercuts. The EzScan-i Undercut Tool will automatically calculate
undercuts from a chosen insertion axis (User View) or calculate the
undercuts for an optimal insertion axis (Auto-Detect).
To open the undercut tool:
i. Click on the Undercut icon in the right-hand Scan
Tools menu.
ii. Select either User View or Auto-Detect in the
Undercut menu.
User View
The User View option enables you to choose the insertion axis, used to
calculate undercuts on the dental arch.
i. Using click+drag, position the 3D
scan model to the desired angle for
the restoration.
ii. Click on the User View icon.
The User View tool will recalculate undercuts
based on the chosen insertion axis.
You can click+drag to reposition the 3D scan model or to examine the
•
undercut areas.
The chosen angle of the 3D scan model is indicated by a rod (see
above).
Auto Detect
To auto-detect undercuts based on the
ideal angle for the arch:
•
The Undercut tool will automatically calculate the
undercuts for an optimal insertion axis. Undercut
areas of the scan model are indicated using a
color-coded gradient.
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Click on the Auto Detect icon.
User Manual