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
Single Sitting RCT is indicated in all except? 
Select and explain. 
A. An anterior single rooted tooth where esthetics is of more concern, B. In a patient who require sedation for the management of involved tooth, C. Severe anatomic & procedural difficulty, D. Tooth with pulpal exposure because of trauma
C: Severe anatomic & procedural difficulty
Answer: C: Severe anatomic & procedural difficulty 
Explanation: None