Processing Digital Dentures / Denture Teeth
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Processing Digital Dentures / Denture Teeth

  • Dark
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  • PDF

Article Summary

Digital Denture / Denture Teeth:

Requirements:

  • Minimum Millbox Revision of 2018-10-03

  • 3Shape Denture Output

    • Arch Bridge (Base and Teeth)
    • Basal Reduction (1-Piece Denture)
  • PMMA Denture Strategy

    • 3mm Corner Radius Tool
    • 2mm Ball Nose Tool
    • 1mm Ball Nose Tool
    • 0.6mm Ball Nose Tool

Arch Bridge (Base And Teeth) Denture Workflow

Open MillBox and start New Job:

  1. Select Machine
  2. Select PMMA Material
  3. Click the Checkmark to continue.

image.png

We now will import an object:

  1. Select the .STL File corresponding with the Denture Base,
  2. Select Denture Object Type
  3. Click the check mark to import the file:

image.png


The .STL Files will automatically be merged within MillBox:

image.png

When selecting a blank, the minimum thickness that is required, will be displayed in the upper right hand corner.

  1. Select an appropriate stock size for the object
  2. Fill in the stock / blank name and lot code
  3. Click on the checkmark to continue

image.png

You will now want to open the part border size of the object:

  1. Select the Denture
  2. Increase the part border size if needed. Between 4 and 5 are sufficient (this may vary depending on how many undercuts are present.)
  3. Click on the checkmark to continue

image.png

We will now need to add Support Pins to the object.

  1. Select the Denture
  2. Click on the Plus symbol to add Support Pin:
  3. To remove all support pins, click the Minus symbol

image.png

Here we can change your support pin options:

  1. Change the height and width of the support pin.
  2. Shape will allow to use different types of shape when using support pins:
    1. Round Support Pins
    2. Smart Support Pins (Follows the lines of contour (equator) to minimize the creation of undercuts)
    3. Square Support Pins
  3. Pin Type:
    • Green Cuttable - This will allow for the support pin to be milled completely off.
    • Red Semi Cuttable - This allows for the support pin to be partly milled off for easier removal.
    • Blue Non Cuttable - The support pin will not be cut or removed from the object.

image.png

After Supports have been placed, you can click on Stream Job to Mill or Save ToolPath to start calculation

  • Stream Job to Mill - Will start streaming to the mill as each toolpath is calculated.
  • Save ToolPath - Will calculate the job and create a .prn file for you to drop in your CNC controller.

image.png

You will be presented with choosing a strategy option:

image.png

Once calculated ~ the file can be uploaded to the machine’s CNC controller:


Denture Teeth Workflow:

To begin the Denture Teeth Workflow

  1. Select your Machine
  2. Choose PMMA Material
  3. Select the checkmark:

image.png

Once selected, we now need to import the .STL file(s)

  1. Select the .STL File corresponding with the Denture Teeth.
  2. Select the Denture Tooth Object Type.
  3. Click the check mark to import the file.

image.png

The .STL Files will automatically be merged within MillBox:

image.png

Check to upper right hand to confirm the minimum thickness required

  1. Select an appropriate stock size
  2. Enter stock information / Lot Code
  3. Click the checkmark to continue

image.png

We now need to open the offset to allow clearance for the tool.

  1. Select the Denture
  2. Ensure the proper offset / part border is allocated (It is suggested to keep this value between 4-5mm depending on the severity of undercuts):
  3. Click the Checkmark to continue

image.png

We now need to secure the object in the Material using Support Pins

  1. Select the denture
  2. click on the + symbol to add Support Pins:

image.png

Set your designed Support Pin Preferences and place your support pins on the part by clicking in desired areas. The White Line that outlines the part represents the equator curve which can be used as a guide for placing support pins in such a way that minimizes the creation of undercuts – It is also suggested to use smaller support pins (1.5 – 2mm) on these parts and to avoid placement on any areas that will be indexing with the Denture Base:

image.png

After Supports have been placed, you can click on Stream to Machine or Save Toolpath to start calculations:
image.png

You will be presented with choosing your milling options for calculation:
image.png


Basal Reduction (1- Piece) Denture Workflow

To begin the Basal Reduction (1- Piece) Denture Workflow

  1. Select your Machine
  2. Choose PMMA Material
  3. Select the checkmark:
    image.png

Now we import the corresponding .STL file for Basal Denture Base:

  1. Select the .STL File corresponding with the Basal Denture Base
  2. Select the Denture Object Type
  3. Click the check mark to import the file:

image.png

The .STL Files will automatically be merged within MillBox:

image.png

Check to upper right hand to confirm the minimum thickness required

  1. Select an appropriate stock size
  2. Enter stock information / Lot Code
  3. Click the checkmark to continue
    image.png

We now need to open the offset to allow clearance for the tool.

  1. Select the Denture
  2. Ensure the proper offset / part border is allocated (It is suggested to keep this value between 4-5mm depending on the severity of undercuts):
  3. Click the Checkmark to continue
    image.png

We now need to secure the object in the Material using Support Pins

  1. Select the denture
  2. click on the + symbol to add Support Pins:
    image.png

After Supports have been placed, you can click on Stream Job to Mill or Save ToolPath to start calculation

  • Stream Job to Mill - Will start streaming to the mill as each toolpath is calculated.
  • Save ToolPath - Will calculate the job and create a .prn file for you to drop in your CNC controller.

image.png

You will be presented with choosing a strategy option:

image.png

Once calculated ~ the file can be uploaded to the machine’s CNC controller.


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