Polycarboxylate cement is used for:: (A) Temporary restoration, (B) Luting, (C) Permanent restoration, (D) Die material
Answer is B. ZINC POLYCARBOXYLATE CEMENT
APPLICATIONS:

Primarily for luting permanent restorations.
As bases and liners.
Used in orthodontics for cementation of bands.
Also used as root canal fillings in endodontics.

Ref: Manappalil P: 95