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
Vitamin "D" deficiency causes all except: 
Select and explain. 
A. Widening of predentin, B. Defective calcification, C. Microdontia, D. Inter globular dentin formation
C: Microdontia
Answer: C: Microdontia 
Explanation: None