This is #19 with an old Heliomolar OL composite that she finally crushed, fracturing the mesial marginal ridge and part of the MB cusp. I did a 3/4 crown style prep as the lingual extention was wide. I'm using Interface, Surpass, Clean and Boost, and A2 Anchor.
Even though posterior Emax crowns can be cemented (same technique as Zirconia crowns) I prefer to bond them when I can easily get great isolation. Dr. John Kanca and the guys at Apex have created such great products and logical techniques that these relatively difficult procedures can be accomplished in a reasonable amount of time with easy precision. Hope this helps