Question 138 · LDEK · Restorative treatment of primary teeth

Which of the following is used as a base for the impregnation procedure in Poland?

  1. A. 10-40% silver nitrate.
  2. B. 40-60 % silver nitrate.
  3. C. 30-50% zinc chloride.
  4. D. true answers are A and C.
  5. E. true answers are B and C.
Hint

Think of the two classic Polish impregnation methods: black silver staining and the colourless method using a zinc salt.

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