The chief advantage of zinc phosphate cement is its___________?
Correct answer: B. Film thickness
- A. Good compressive strength
- B. Film thickness
- C. Lack of irritation
- D. Low solubility
Explanation
The thin film produced by zinc phosphate cement is its important luting advantage because it allows accurate seating of a restoration. Its compressive strength is useful, but the cement has relatively poor tensile strength and limited adhesion.
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