Cirkonij previše siv?

Glavna svrha većine proizvođača blokova od cirkonija je osigurati ton, boju i vrijednost cirkonijevog bloka. Međutim, tehničari moraju otkriti da kada koriste te materijale, restauracije pokazuju rezultate niske vrijednosti ili sivi cirkonij.

Next, let's analyze the reasons together:

This may be due to the fact that this generation of cubic zirconia blocks requires a more precise sintering process, all zirconia blocks have information on use (IFU) on the packaging, including the appropriate sintering cycle. When working with zirconia blocks, the manufacturer's sintering instructions must be followed. Too high sintering temperature or too long holding time at the highest temperature will result in a lower zirconia value or too gray.

Što ako ste se pridržavali svih pravila, a rezultati i dalje nisu idealni? Koji je razlog tome?

Prvo, trebali biste provjeriti svoju peć za sinteriranje i potražiti sljedeće čimbenike:

●.Has the furnace not been calibrated for a long time?

●.Is the furnace calibrated correctly?

Kako peć odstupa od programirane maksimalne temperature, temperatura će nastaviti rasti i postati toplija. Recimo da ste postavili temperaturu na 1400 stupnjeva, zapravo bi mogla biti 1500 stupnjeva.

If you are using an IFU for a sintering cycle and showing any low value grey results for the former zirconia, you should calibrate your furnace. You can also try lowering the maximum temperature by 40 degrees on the next cycle. If the result is still too grey, you can try reducing the temperature by 25 degrees at a time until the value is correct. Once you get the correct value, you've probably reached the correct sintering temperature. Note that all zirconia will become more opaque as the temperature is lowered.

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