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
Which of the following is not a consideration for obtaining a resistance form during cavity preparation? 
Select and explain. 
A. Stress patterns of teeth, B. Direction of enamel rods, C. Designing outline form with minimal extension, D. Dovetail preparation of restoration to occlusal loading
D: Dovetail preparation of restoration to occlusal loading
Answer: D: Dovetail preparation of restoration to occlusal loading 
Explanation: None