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': "Which of the following is not an advantage of immediate dentures \nSelect and explain. \nA. Excellent esthetics can be achieved on day of insertion, B. Circumoral support is maintained, C. Speech and mastication are less affected, D. Patient's psychological and social well being is preserved", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A try in is not possible for immediate dentures. Therefore esthetics would be unpredictable.', 'role': 'assistant'}]