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
Most plausible factor for dental implant fracture 
Select and explain. 
A. Peri-implantitis, B. Bending overloads, C. Non-passive fit prosthesis, D. Manufacturing imperfections
B: Bending overloads
Answer: B: Bending overloads 
Explanation: None