When testing if cement is fully set, what is the characteristic of polycarboxylate cement?

The characteristic of polycarboxylate cement when testing if it is fully set is that it should make an indent when tested. This property indicates that the cement has not reached its final hardness or strength. Polycarboxylate cement, being relatively more flexible and less brittle than some other dental cements, retains a slight amount of give. This allows for an indent to be made under pressure during the setting phase.

Once fully set, polycarboxylate cement typically achieves a balance of strength and flexibility, which is advantageous in clinical applications. The material’s ability to create an indent reflects its intermediate property during the curing process and is a crucial aspect for practitioners to assess, ensuring the material is adequately set without being overly hard or brittle. This understanding is essential for ensuring durability and optimal performance in dental applications.