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
Lingual ridge is most prominent in 
Select and explain. 
A. Upper Canine, B. Lower Canine, C. Upper Central Incisor, D. Lower central incisor
A: Upper Canine
Answer: A: Upper Canine 
Explanation: None