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Protocol

Pd (75.2%)-based dental metal-ceramic alloy, Type 4

Protocol is a clinically proven palladium-based ceramic alloy demonstrating outstanding properties.

Advantages

  • Clinically proven
  • Extra hard
  • Wide range of indications
  • Certified biocompatibility

Indications

  • Onlays
  • Inlays
  • Partial crowns
  • Single crowns
  • Telescope and conus crowns
  • Root canal posts
  • Short- and long-span bridges
  • Implant superstructures
  • Model casts

Composition

Pd 75.2
Ag 6.5
Au 6.0
In 6.0
Ga 6.0
Ru < 1.0
Li < 1.0

Technical data

Type                                               4
Colour                                           white
Density (g/cm³)                            11.0
Melting range (°C)                       1270 - 1310
Casting temperature (°C)          1365 - 1425
Modulus of Elasticity (MPa)       103.000
CTE 25 – 500 °C                         13.8
CTE 20 – 600 °C                         14.0
Elongation (%)                             34.0
Vickers hardness                        235
0.2% proof stress (MPa)            500

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