Advantage of Imaging the Buccal Bite before the Preparation

Same visit restorations are a great way to measure accuracy of an iOS and cad software and milling machines 

One thing that I highly recommend is to take the bite before imaging the prep itself. It forces you to check for clearance and to keep reducing until you have the appropriate space for a ceramic restoration

You have to be comfortable with different workflows you may be accustomed to 

Emax Try- in before bonding with NX3 resin cement

Immediate post op