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': 'Tanaka Johnson Includes: \nSelect and explain. \nA. Use of radiographs, B. Use of charts/tables, C. Use of both, D. Use of none', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Tanaka Johnson Analysis\n\nBased on regression equation\nUsed for size prediction of unerupted canines and premolars in contemporary orthodontic population', 'role': 'assistant'}]