Help with Porcelain Bubbling Problems?
Mike Jankovic · Jan 12, 2013 at 8:56am
Mike Jankovic
tell me what you do after metal work is finished dont listen to what kind of metal you are using or tip needs cleaning
Posted Jan 12, 2013 at 8:56amJan 12 2013, 8:56:50 am
Question
Can anyone help? I am getting continuing bubbling in the porcelain right down to the metal. I have tried everything I know and nothing is working. Please help!
Answered By
Mike Jankovic
Owner at Jankovic Dental Ceramics · Amherst, NY
Trisha Bublitz
I have had this also, please let us know what type of metal and if it is a press to metal porcelain. I am just curious if it is the same I have used that I have seen this with. I am not saying it matters I am just curious. Thanks!
Charles Selser
A possible contributing factor to bubbling is the firing temperature of your first opaque cycle relative to the oxidation cycle temperature. If you are oxidizing the alloy prior to opaquing, even if you then blast off the oxide layer before you apply...[More] opaque it is very important that your first opaque...
Michael Andreas
I agree with Jeff. It's likely contamination of the metal from finishing stones. We had problems when a stone used for removing oxides from implant cases before polishing was then mistakenly used to finish copings. If any of the metal from the machined...[More] gold interface gets into the stone, it can no longer be used for finishing.
Edgar Munoz
Pete Ruberto