Best marginal seal is provided by____________?
Correct answer: D. Zinc oxide eugenol
- A. Zinc phosphate
- B. Resin
- C. Gutta-percha
- D. Zinc oxide eugenol
Explanation
ZOE provides a good marginal seal because it adapts well to cavity walls and has a low film thickness, making it useful as a temporary cement. Its relatively high solubility in oral fluids limits its use as a permanent luting cement.
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