Zirconia Ceramic beads

[Scott Raab]

I just bought a Zubler sintering oven and I am using the ceramic beads that came with it. I am noticing white spots on the Zirconia after it is sintered. It seems like the balls are causing them . Did anybody ever have this problem? Is it the beads?

 

[JMN]

old issue with multiple threads and few straight answers that always fit.

White dots on sintered Zirconia.

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...

dentallabnetwork.com

White spots

I have been getting white spots on my zirc crowns after sintering. I tried using new beads, but that didn't help. Anyone else having this problem?

dentallabnetwork.com

 

[Mike2]

Never had this problem with the Zr beads I get from Quackenbush. I don't see how the beads could cause them as they are already sintered. What kind of Zr? That's seems more likely, it could be bad spots or if you get it wet or water splashes on it before coloring? My 2 Cents

 

[richgreen]

Had an experience with a lab where they were having same problem. they switched beads and problem disappeared.Just FYI. Speculating it has something to do with bead manufacturer.

 

[Car 54]

If I'm not mistaken, which I could be, but doesn't Zubler have 2 different types of beads?
Give them a call and see if they do, and will ship you the other version.

 

[Car 54]

Never had this problem with the Zr beads I get from Quackenbush. ....

You mean from Dr Hackenbush?

 

[FASTFNGR]

I just bought a Zubler sintering oven and I am using the ceramic beads that came with it. I am noticing white spots on the Zirconia after it is sintered. It seems like the balls are causing them . Did anybody ever have this problem? Is it the beads?

Cheap beads, use whipmix.