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
Main disadvantage of single complete denture against natural teeth is: 
Select and explain. 
A. Abrasion of artificial teeth, B. Difficulty in making of balanced occlusion, C. Abrasion of natural teeth, D. All of the above
B: Difficulty in making of balanced occlusion
Answer: B: Difficulty in making of balanced occlusion 
Explanation: None