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 false regarding conventional immediate dentures (CID) \nSelect and explain. \nA. It is intended as definitive or long term prosthesis, B. Generally indicated when only anterior teeth are present, C. Esthetics of CID can be altered during fabrication of second denture, D. It is indicated when two extraction visits are feasible.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: As conventional immediate denture is intended as definitive prosthesis, esthetics once achieved cannot be altered. There is no second set where changes can be made.', 'role': 'assistant'}]