Dental Cements (ZPC, GIC, Resin) — NEET MDS | CrackMDS

ZOE. ZOE is soothing to pulp but has low strength.

Resin cement. Resin cements give the bond/esthetics needed for all-ceramics.

GIC. GIC bonds chemically and releases fluoride.

⭐ High-Yield Facts for Exam

Zinc phosphate (ZPC) — long-serving luting cement with high compressive strength; initial low pH (pulpal irritation possible) → needs a liner on deep dentin.
Glass ionomer (GIC) — chemical bond + fluoride release; good for luting and as a base.
Resin cement — highest bond/strength; the choice for all-ceramic and bonded restorations and posts.
Zinc oxide eugenol (ZOE) — most biocompatible/obtundent but lowest strength; temporary cementation (eugenol can interfere with resin set).

Balance strength, bond, biocompatibility, esthetics and the restoration material.

ZPC = strong traditional luting; GIC = fluoride + chemical bond; resin = best for all-ceramic; ZOE = biocompatible, weakest.

Q1. Which cement is most biocompatible (obtundent) but weakest?

A. Zinc phosphate

B. Resin cement

C. ZOE

D. GIC

Show Answer

✅ Answer: C

ZOE is soothing to pulp but has low strength.

Q2. The cement of choice for all-ceramic restorations is:

A. Zinc phosphate

B. Resin cement

C. ZOE

D. Zinc polycarboxylate

Show Answer

✅ Answer: B

Resin cements give the bond/esthetics needed for all-ceramics.

Q3. Which cement releases fluoride and chemically bonds to tooth?

A. ZOE

B. Zinc phosphate

C. GIC

D. Resin

Show Answer

✅ Answer: C

GIC bonds chemically and releases fluoride.

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