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': 'Inclined plane is used in the treatment of \nSelect and explain. \nA. Developing cross bite, B. Developed cross bite, C. Deep bite, D. Open bite', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]