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': 'For selection of stainless steel crown, which of the following is not the criterion? \nSelect and explain. \nA. Mesial distal diameter, B. Light resistance during seating, C. Occlusal morphology, D. Crown height', 'role': 'user'}, {'content': "Answer: C \nExplanation: Three main considerations have to taken care while selecting SS crown for pedo patients:\n\nMesial distal diameter\nLight resistance during seating\nCrown height\n\nBefore preparation, use Boley's gauge. After preparation, trial and error method should be followed.\nSmallest crown is selected. Friction should be felt, when crown is slipped gingivally.", 'role': 'assistant'}]