![]() ![]() ![]() Related reading: Jim Collis on Shofu's OneShot unilayer Titanium is also a relatively expensive choice for a dental substructure. Bars can also be milled in titanium, but many milling machines owned by laboratories are not capable of milling titanium, so the cases must be sent out for milling, resulting in additional turnaround time and a markup by the laboratory doing the milling step. There can be distortion, which results in the bar having to be sectioned, indexed and re-soldered, in which case the model will need to be readjusted and an additional try-in will be required.Īdditionally, substructures cast in precious metals can be quite costly. In the instances where substructures are cast in semi-precious or precious metals, casting can be a tedious process with many steps. In restoration cases that require a substructure, dentists and laboratories are looking for more efficient and cost-effective alternatives to metal bars cast in semi-precious or precious metals or bars milled in titanium.
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