Advantage of zinc phosphate over GIC is______________?
Correct answer: C. High modulus of elasticity
- A. High compressive strength
- B. Tensile strength
- C. High modulus of elasticity
- D. Diametral strength
Explanation
Zinc phosphate cement has a higher modulus of elasticity than glass ionomer cement, making it stiffer. GIC generally offers better chemical adhesion and fluoride release, not greater stiffness.
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