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
Metal coping seen in upper anteriors is suggestive of: 
Select and explain. 
A. Cast post & core, B. PFM crowns, C. Metal coping with high stiffness, D. Metal coping with low stiffness
A: Cast post & core
Answer: A: Cast post & core 
Explanation: Radiopaque post and core seen in anterior teeth suggestive of a cast post with core.