Violation
Which of the following impression materials is NOT recommended for making a final impression for fabrication of dies for a porcelain fused to metal crown?
Irreversible hydrocolloid.
Polyether.
Condensation silicone.
Addition silicone.
Which of the following impression materials is NOT recommended for making a final impression for fabrication of dies for a porcelain fused to metal crown?
Irreversible hydrocolloid.
Polyether.
Condensation silicone.
Addition silicone.