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Setting up the implant case may be the HARDEST thing to do! Make sure you do this part correctly so you'll have success at the end!
The sequence of imaging for a CEREC implant crown should be followed carefully. There are certain things that you are trying to achieve in each catalog!
Some more to discuss on Imaging for implants!
The design phase will take some time. However, a systematic approach will keep you from missing something and show you whether you have to split the case into two parts.