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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 />

– www.inclusivemagazine.com –

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