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
Which of the following material has osteo conductive property 
Select and explain. 
A. Autogenous graft, B. Hydroxyapatite, C. Plastic materials, D. Cartilage
B: Hydroxyapatite
Answer: B: Hydroxyapatite 
Explanation: None