Posted January 9, 2021
By Todd Ehrlich
There are a lot of misconceptions on the location of the sprue for a restoration that goes through grinding. In my opinion, the “rule of the sprue” is that it should be on the bulkiest part of the restoration and not interfere with the milling (grinding) process. Check out this video that goes…
Posted May 7, 2019
By Cindy Barbee
We call this the “rule of the sprue.” We always place the sprue on the largest and most bulky portion of the ceramic for milling. We even do this if the sprue goes on a contact. Why? Well, we’ve all seen something chip during milling. It comes with the territory for milling ceramic. We see…
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