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
For root fracture it is imperative to take X-ray at? 
Select and explain. 
A. 45°,	90°, B. 90°, C. 90°,	110°, D. 45°,	90°, 110°
D: 45°,	90°, 110°
Answer: D: 45°,	90°, 110° 
Explanation: None