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
Thermal conductivity of which material is close to dentin: 
Select and explain. 
A. Amalgam, B. Silicate, C. Composite resin, D. Cavity varnish
B: Silicate
Answer: B: Silicate 
Explanation: None