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
A tooth can be made to appear shorter by 
Select and explain. 
A. Positioning gingival height of contour gingivally, B. Positioning gingival height of contour incisally, C. Positioning mesial and distal line angles closer, D. Positioning developmental depressions further apart
B: Positioning gingival height of contour incisally
Answer: B: Positioning gingival height of contour incisally 
Explanation: None