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
In Ellis class IV anterior tooth fracture: 
Select and explain. 
A. No treatment possible, B. Treatment to be given, but it is problematic, C. No treatment required, D. None of the above
B: Treatment to be given, but it is problematic
Answer: B: Treatment to be given, but it is problematic 
Explanation: None