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
If hypersensitivity develops in a glass ionomer filled tooth, indicated treatment: 
Select and explain. 
A. Extraction, B. Remove the restoration and place a sedative dressing, C. Remove the restoration perform pulpectomy, D. No treatment is necessary
B: Remove the restoration and place a sedative dressing
Answer: B: Remove the restoration and place a sedative dressing 
Explanation: None