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
All are therapeutic role of recording base, except? 
Select and explain. 
A. Establishment of VDR, B. Establishment of VDO, C. For chewcking under/overextended borders of final impression, D. Determination & recording of CR
C: For chewcking under/overextended borders of final impression
Answer: C: For chewcking under/overextended borders of final impression 
Explanation: None