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': 'Three dimensional classification of occlusion was given by: \nSelect and explain. \nA. Angle, B. Simon, C. Dewey, D. Baume', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Simon’s classification, the dental arches are related\xa0to three anthropologic planes. Since malocclusion\xa0is a three-dimensional problem, Simon devised\xa0this method of classification orienting the dental arch\xa0to three different planes. It is a craniometric form of\xa0classification.', 'role': 'assistant'}]