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: Surgery
[{'content': 'Palatal abscess most commonly results from in infection of: \nSelect and explain. \nA. Maxillary centrals, B. Maxillary laterals, C. Maxillary canine, D. Maxillary premolars', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]