Help with Porcelain Bubbling Problems?
Michael Kudrna · Feb 2, 2013 at 9:55pm
Michael Kudrna
May want to replace the Muffle even if you just had done this in the last few months. Also, we had this happen while we used rubber gloves while opaquing that were contaminated.
Posted Feb 2, 2013 at 9:55pmFeb 02 2013, 9:55:06 pm
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
Michael Kudrna
Owner/President at New Vision Dental Creations Inc · Jamestown, ND
Previously: President (co owner) Jamestown Dental Laboratory inc. of Jamestown,ND-16yrs(26yrs total) President/GM New Vision Dental Creations Inc. Past President/CEO JDLInc. 16yrs 30yr CDT experienced and proficient...
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.