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
The most important factor in arrangement of the teeth: 
Select and explain. 
A. Mold, B. Leverage, C. Occlusion, D. Occlusal plane
C: Occlusion
Answer: C: Occlusion 
Explanation: None