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
The advantage of glass ionomer cement reinforced with metal particles is: 
Select and explain. 
A. Decreased strength but biocompatibility, B. Increased resistance to abrasion, C. Better colour, D. Ease of manipulation
B: Increased resistance to abrasion
Answer: B: Increased resistance to abrasion 
Explanation: None