Question 125 · LDEK · Irrigation and intracanal medicaments
What is the pH of EDTA irrigation fluid used in endodontics?
- A. 2.
- B. 4.
- C. 7.
- D. 9.
- E. 14.
Hint
EDTA used for canal irrigation is buffered to a range where it chelates calcium well, being neither strongly acidic nor strongly alkaline.
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