Question 229 · LDEK · Irrigation and intracanal medicaments
Indicate the false statement concerning endodontic irrigants:
- A. chlorine freed from NaOCl dissolves necrotic tissue, forms chloroamine groups and facilitates the degradation of proteins.
- B. recommended NaOCl concentrations range from 0.5% to 5.25%.
- C. warming of a NaOCl solution increases its effectiveness.
- D. NaOCl appears to be activated by EDTA.
- E. 2% chlorhexidine exhibits strong antimicrobial properties.
Hint
Consider what a chelating agent does to the free chlorine in hypochlorite when the two solutions meet in the canal.
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