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': 'Father of modern orthodontics is: \nSelect and explain. \nA. Dewey, B. Angle, C. Andrew, D. Clark', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Edward H. Angle (1855–1930), who is regarded as\xa0the ‘Father of modern Orthodontics’ was the most commanding, most influential and prominent person in orthodontics.\nPierre Fauchard, often called the father of modern dentistry.', 'role': 'assistant'}]