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
Compared to the inter tubular dentin, peritubular
dentin is characterized by which of the following? 
Select and explain. 
A. Greater stainability, B. Lesser content of inorganic salts, C. Greater content of inorganic salts, D. Greater content of large collagen fibers
C: Greater content of inorganic salts
Answer: C: Greater content of inorganic salts 
Explanation: None