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': 'Shovel shaped pulp chamber is found in: \nSelect and explain. \nA. Maxillary central incisor, B. Maxillary lateral incisor, C. Mandibular central incisor, D. Mandibular lateral incisor', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Maxillary central incisor → pulp is shovel shaped + has pulp horn.', 'role': 'assistant'}]