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 case of root fracture healing pattern of the fracture site can be all except: 
Select and explain. 
A. Healing with calcified tissue, B. Healing with interproximal connective tissue., C. Interproximal inflammatory tissue without healing., D. None
D: None
Answer: D: None 
Explanation: Healing pattern of the fracture site:
1.Healing with calcified tissue.
2. Healing with interproximal connective tissues.
3. Healing with inter proximal bone by connective tissue
4. Interproximal inflammatory tissue without heating
First 3 patterns are considered success.