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
Dicor restoration is: 
Select and explain. 
A. Two coloured restorations, B. Heat pressed ceramics, C. Castable ceramic, D. None of the above
C: Castable ceramic
Answer: C: Castable ceramic 
Explanation: None