Final photograph of e.max B1 HT restorations on #27, 28, and 29.  Labial thickness is 0.4 mm. Precise margin imaging yields precise  ceramic margins.  The "feather like" margins can now be achieve with the strength integrity of e.max.  Mill margin at no less than 0.3 mm with Parameter Margin thickness at 100. Polish back with silicone polishing wheel (see Chapter 4 and 9) to achieve razor blade margins.