PDF Download - Glidewell Dental Labs
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•Step 3: Milling of Custom Components<br />
Once the digital design of each component<br />
has been finalized, the files are transferred to a<br />
state-of-the-art computer-aided milling station. The<br />
custom impression coping, custom temporary<br />
abutment and custom healing abutment are all<br />
milled from polyether ether ketone (PEEK), an<br />
organic polymer thermoplastic (Figs. 9, 10).<br />
The BioTemps provisional crown is milled from<br />
poly(methyl methacrylate) (PMMA), a transparent<br />
thermoplastic sometimes referred to as acrylic glass<br />
(Figs. 11, 12). After seating is confirmed, the custom<br />
temporary crown is stained according to the shade<br />
prescribed by the clinician, then glazed before a<br />
final quality inspection is performed.<br />
Figure 9: PEEK abutment blank ready for milling<br />
Figure 10: Milled PEEK abutment<br />
Figure 11: Close-up of PMMA milling<br />
Figure 12: PMMA block after milling<br />
20<br />
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