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
Minimum protrusion required for condylar guidance programming on an articulator is: 
Select and explain. 
A. 3 mm, B. 4 mm, C. 6 mm, D. 8 mm
C: 6 mm
Answer: C: 6 mm 
Explanation: The sensitivity of semi-adjustable articulator is minimum of 6 mm to program using a protrusive record.