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: Forensic Medicine
[{'content': 'Which of the following is most reliable Criteria for age estimation from tooth? \nSelect and explain. \nA. Paradentosis, B. Transparency of root, C. Attrition, D. Cementum apposition', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Transparency of the root\xa0is the most reliable Criteria for age estimation from tooth.', 'role': 'assistant'}]