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': 'Retained mandibular deciduous central incisors will 10\nresult in \nSelect and explain. \nA. Lingual eruption of mandibular permanent incisors, B. Labial eruption of mandibular permanent incisors, C. Impaction of mandibular permanent incisors, D. Ankylosis of mandibular permanent incisors', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]