Getoothachopper
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Did we ever get a definitive answer on what causes this ? (Iv'e read through the old posts). It's shown up this morning on a batch for the first time for me in two years. Every tooth perfectly round white (where the zirc touched the beads) and just below the surface .Two trays , beads were a week old (1mm) other tray two weeks . It's been a month + since I ran decontaminator material through the furnace. Zirc was all Katana pre shaded stml (from eight different discs) No pre colouring took place. I usually sinter at 1520 in my AmannGirbach ceramill therm II ,,,,,,this time I went to 1530 because there were a lot of units in there . ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,Should I charge the Doctors more for these because of the beautiful custom decalcification work on some of the occlusal tips ?