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: Pathology
A developmental abnormality characterized by the presence of fewer than the usual number of teeth is 
Select and explain. 
A. Anodontia, B. Oligodontia, C. Microdontia, D. Dens in dente
B: Oligodontia
Answer: B: Oligodontia 
Explanation: None