Dental pH and duration of Action of EDTA is A 7.2-7.3 and 15 min B 6.8-6.9 and 12 min C 7.2-7.3 and 12 min D 6.8-6.9 and 15 min 💡 Explanation pH and duration of Action of EDTA is ✓ Correct Answer: A. 7.2-7.3 and 15 min