This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
EDTA does not cause which of the following action 
Select and explain. 
A. Chelating action, B. Irrigation, C. Remove smear layer, D. Pulp fixation
D: Pulp fixation
Answer: D: Pulp fixation 
Explanation: None