19 MILL TAB
100 Planmeca Chairside CAD/CAM solution
User’s manual
The recommended method is to use the dropper tool or
rubber tooth tool to “pull up” an area of the occlusal
surface and create a raised area on which a sprue can be
attached. Manual adjustment of the occlusal surface will
be required after milling, but internal fit will not be
compromised. For more details or information, contact
SOS.
19.1.3 Restoration positioning
When using an IPS Empress CAD Multiblock, the
Restoration Positioning arrows are enabled. Use the
arrows to move the restoration up or down within the
block to achieve the desired shading.
Note that if the restoration is near the top or bottom of the
block, extra milling time will be required for removing the
extra material.
19.2 Mill simulation
The simulation mode portrays the milled restoration. It
takes about 10 seconds to generate and is recommended
before milling to check the internal fit. If a hang-up is
seen, you can increase the spacer or make any other
necessary design changes.
1. On the
Mill
tab, click Sim (located under Send to Mill).
2. Select the desired setting:
•
Standard
is recommended for full coverage restorations.
•
Detailed
is recommended for partial coverage
restorations.
3. Click OK.
The system takes a few seconds to create the simulation.
4. Evaluate the simulation, looking for any issues.
19.2.1 Evaluating the simulation
• Are there hangups?
Hangups are areas where the tools cannot completely
remove the material for the interior of the proposal.
• Is there overmilling?
Overmilling is caused by areas of the preparation that are
smaller than the tools. The tools must “overmill” and
remove extra material so that there is no hangup. Is the
overmilling drastic enough to cause a loss in retention?
1. Click Hide/View Model and click the Gingival arrow to
view the interior aspect of the proposal.
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