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
Ovate pontic are used in: 
Select and explain. 
A. Well rounded ridges, B. Knife edged ridges, C. Recently extracted tooth sockets, D. Flat ridges
C: Recently extracted tooth sockets
Answer: C: Recently extracted tooth sockets 
Explanation: None