Ivoclar Programat P90 Manual: !!top!!

A: No. The manual explicitly states the P90 is designed for pressing and firing silicate ceramics and leucite-reinforced materials. Zirconia requires a high-temperature sintering furnace (up to 1,600°C). Using zirconia in the P90 will melt the heating elements.

If your restorations are coming out over-fired (melted margins) or under-fired (chalky), the thermocouple might drift. Ivoclar Programat P90 Manual

The manual serves three critical functions: Ivoclar Programat P90 Manual