How to calibrate your porcelain furnace
Posted Feb 06, 2017

In dental ceramics, the best way to achieve a proper calibration, and consequently a complete maturation of your dental ceramic, is to perform this scientific experiment.
STEP 1. Using your transparent clear ceramic (regardless of whether it’s used for a PFM, lithium disilicate or PFZ restoration) make a series of ceramic custom shade tabs approximately 1.0mm thick. I use SmileLine’s Porcelain Sampler, a shade tab maker that allows you to produce porcelain tabs of precise thickness.

STEP 2. Next, put the porcelain tab on top of a firing peg, place the firing peg on the honeycomb firing tray, put the tray on...