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
[{'content': 'Disadvantage of using a stress breaker in partial dentures is: \nSelect and explain. \nA. The partial denture becomes cumbersome, B. Ridge resorption occurs, C. Its is not economical, D. No disadvantages present', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]