PDF Download - Glidewell Dental Labs
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Production Workflow<br />
The following overview presents an insider’s look at how Inclusive<br />
Custom Abutments are fabricated at <strong>Glidewell</strong> Laboratories.<br />
1<br />
Model<br />
Scan<br />
A soft tissue study model is created from an implant-level<br />
impression. A scanning abutment attached to the implant<br />
analog serves to capture the implant angulation, position,<br />
and abutment connection orientation. The scanning abutment<br />
is then removed and the arch is scanned a second<br />
time, with the soft tissue mask in place. A scan of the<br />
opposing model, followed by a scan of the fully articulated<br />
casts enables the design software to construct and properly<br />
align a complete 3-D model.<br />
2<br />
Digital<br />
Design<br />
Once the fully articulated case exists in a virtual environment,<br />
the abutment can be digitally designed using software<br />
that contains a proprietary library of morphology.<br />
The technician adjusts the soft tissue margins to create<br />
an optimal emergence profile, then adjusts the angle (up<br />
to 20 degrees) to account for implant angulation and to<br />
avoid undercuts. The dimensions of the abutment are precisely<br />
modified to ensure proper support for the eventual<br />
restoration, including appropriate interproximal and occlusal<br />
space.<br />
3<br />
Milling<br />
Once the digital restoration is complete, the electronic file<br />
is forwarded to a top-of-the-line Haas 5-axis CNC milling<br />
station (Haas Automation; Oxnard, Calif.) for precision milling<br />
from either a titanium blank or BruxZir ® zirconia block.<br />
An M-series FANUC robot arm (FANUC Robotics; Rochester<br />
Hills, Mich.) assists with 24/7 loading of titanium<br />
blanks to help the laboratory meet increasing demand.<br />
4<br />
Once milled, each abutment is forwarded to a quality<br />
control technician, where a comprehensive inspection is<br />
conducted to ensure accurate fit and design.<br />
Final QC<br />
5<br />
As a final addition, each Inclusive Custom Abutment —<br />
whether titanium, zirconia, or zirconia with titanium base —<br />
includes an acrylic jig used at the time of delivery to<br />
ensure and maintain complete, accurate seating while the<br />
abutment screw is inserted and tightened.<br />
Delivery<br />
Jig<br />
72<br />
– www.inclusivemagazine.com –
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