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 10-year-old female patient diagnosed as a case of Down’s syndrome have all of the  
following dental problems which are usually associated with it, except: 
Select and explain. 
A. Retarded eruption, B. Late shedding of deciduous teeth, C. Hypodontia, D. Microdontia
B: Late shedding of deciduous teeth
Answer: B: Late shedding of deciduous teeth 
Explanation: None