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
Prior to reimplantation tooth is soaked in 3% citric acid this is done to 
Select and explain. 
A. Disinfect the tooth, B. Remove the PDL, C. Etch the surface, D. Increase surface reactivity
B: Remove the PDL
Answer: B: Remove the PDL 
Explanation: None