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': 'Caries associated with sealants is assessed by: \nSelect and explain. \nA. ICDAS & CARS, B. ICDAS only, C. DMFT & DMFS, D. Transillumination', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ICDAS—International Caries Detection and Assessment System\nCARS—Caries Adjacent to Restorations & Sealants\nCAMBRA—Caries Management by Risk Assessment (In USA)\nThe ICDAS records\xa0caries in 2 stages:', 'role': 'assistant'}]