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': 'Hygienic pontic is usually recommended in: \nSelect and explain. \nA. Maxillary anterior area, B. Mandibular area, C. Maxillary posterior area, D. Mandibular posterior area', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]