Hello colleagues!!

[ernest]

I updatet my ivoclar P300 on P310 and now I have problem on P310 which on P300 didn't exist. All my pfm bridges cracked on palatinal side. Please any suggestions to solve that.

 

[ernest]

I updatet my ivoclar P300 on P310 and now I have problem on P310 which on P300 didn't exist. All my pfm bridges cracked on palatinal side. Please any suggestions to solve that.

Like the photis

 

[Gigieiya]

Hi, that's very strange for a new well-known oven. Have you done Dehumidification program? That's the only idea I have...

 

[TheLabGuy]

Looks like a coefficient of expansion issue...I'd double check the metal CoE is compatible with the porcelain first. If everything is fine with that (which I doubt) then you need a longer cool time (cooling too fast).

 

[Contraluz]

I updatet my ivoclar P300 on P310 and now I have problem on P310 which on P300 didn't exist. All my pfm bridges cracked on palatinal side. Please any suggestions to solve that.

Some questions...

Is the oven the only thing that changed?
Is it the same metal and porcelain?
Is the oven new?
Did you manipulate the oven's programs?
What metal, what porcelain?

 

[CatamountRob]

Calibrate your oven, if you already did it, do it again.
Read the instructions that came with the alloy and make sure that you are following the oxidation program exactly. No cutting corners.

 

[ernest]

Hi, that's very strange for a new well-known oven. Have you done Dehumidification program? That's the only idea I have...

Yes I

Hi, that's very strange for a new well-known oven. Have you done Dehumidification program? That's the only idea I have...

Hi
Yes I did it. I don't know what's going wrong with pfm,while with zirconia it's going great.

 

[ernest]

Looks like a coefficient of expansion issue...I'd double check the metal CoE is compatible with the porcelain first. If everything is fine with that (which I doubt) then you need a longer cool time (cooling too fast).

Hi
I will considered this but on the 2 other furnace we have P300 and vacumat 40 t we don't have this problems. I'm using Vita Vm13 and Gc initial on MoguCeran N Scheftner dental Alloys

 

[ernest]

Calibrate your oven, if you already did it, do it again.
Read the instructions that came with

Some questions...

Is the oven the only thing that changed?
Is it the same metal and porcelain?
Is the oven new?
Did you manipulate the oven's programs?
What metal, what porcelain?

Hi

Yes I just bought a new oven p310 but I have alredy p300 and vacumat 40t.on the existing ovens we don't have problems. The materials are the same. The programs we did it manually according to the ceramic systems. Vm13 and GcMc on Scheftner MoguCeran N dental Alloys.
We have that problem only on pfm not on zirconia.

alloy and make sure that you are following the oxidation program exactly. No cutting corners.

Hi I did it once. All of this you are refere

 

[CatamountRob]

I love when people come here to ask for help and then argue with everyone. Adios Ernest

 

[Contraluz]

Yes I just bought a new oven p310 but I have alredy p300 and vacumat 40t.on the existing ovens we don't have problems. The materials are the same. The programs we did it manually according to the ceramic systems. Vm13 and GcMc on Scheftner MoguCeran N dental Alloys.
We have that problem only on pfm not on zirconia.

Hi I did it once. All of this you are refere

Intriguing, to say the least...

 

[rkm rdt]

I love when people come here to ask for help and then argue with everyone. Adios Ernest
View attachment 44831

 

[ernest]

What's your problem. I'm appreciated every one how spent the time to answer me and I'm talking with them. So you Vaffanculo

 

[Contraluz]

What's your problem. I'm appreciated every one how spent the time to answer me and I'm talking with them. So you Vaffanculo

Oh my...

 

[tuyere]

I like the cut of this guy's jib tbh

 

[Doris A]

What's your problem. I'm appreciated every one how spent the time to answer me and I'm talking with them. So you Vaffanculo