Question 71 · LDEK · Restorative treatment of primary teeth
Temporary restoration made of pure zinc oxide powder mixed with eugenol should be replaced with permanent restoration after the period of:
- A. 1 month.
- B. 2 months.
- C. 3 months.
- D. 4 months.
- E. 6 months.
Hint
Consider the low strength and high solubility of unreinforced ZOE compared with reinforced versions.
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