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
MTA is used for 
Select and explain. 
A. Apexification only of any dentition, B. Apexification of primary tooth only, C. Apexification of permanent tooth only, D. Apexogenesis of any dentition
D: Apexogenesis of any dentition
Answer: D: Apexogenesis of any dentition 
Explanation: None