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 bone width required for a 4 mm diameter implant is about 
Select and explain. 
A. 5 mm, B. 10 mm, C. 12 mm, D. 14 mm
A: 5 mm
Answer: A: 5 mm 
Explanation: None