Number one reason to upgrade to 4.6 is the improved interpretation for rendered margin clarity. Also, there is improved responsiveness to acquiring ceramics, including e.max. The camera still struggles with shiny alloys. I have never found this a problem; I apply Optistray to decrease the reflective surfaces and acquire an incredible scan quality. This video will highlight the CEREC 4.6 Omnicam scanning qualities and my secret for staying on clinical schedule.