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
Stainless steel crowns are contraindicated in: 
Select and explain. 
A. Medically compromised patient, B. After endodontic therapy, C. Rampant caries, D. Amelogenesis imperfecta
A: Medically compromised patient
Answer: A: Medically compromised patient 
Explanation: None