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
Main cell of shedding are: 
Select and explain. 
A. Osteoclasts., B. Odontoclasts., C. Fibroblasts., D. All of the above.
B: Odontoclasts.
Answer: B: Odontoclasts. 
Explanation: Odontoclasts are the main shedding cells.