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
Management of NaOCl accident are all except? 
Select and explain. 
A. Over instrumentation of root canal to establish drainage, B. Cold packs followed by hot packs after 24 hrs, C. Antibiotics, D. Corticosteroids
A: Over instrumentation of root canal to establish drainage
Answer: A: Over instrumentation of root canal to establish drainage 
Explanation: None