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': 'The most esthetic restorative option for carious primary incisors is: \nSelect and explain. \nA. Unbonded strip crown, B. Dura crown, C. Nu-Smile Crown, D. Bonded strip crown', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The most esthetic restorative option for carious primary incisors is the bonded strip crown.\n\nThis is the first choice of\xa0many clinicians due to the superior esthetics and the ease of repair, if the crown should subsequently chip or fracture.\nThis is, however, the most technique-sensitive option.\nHemorrhage or saliva on the tooth will interfere with the bond, and hemorrhage can interfere with the shade or color of the material.\nAdequate tooth structure must remain after caries removal to ensure sufficient surface area for bonding.\n\nClassification\na) Crowns that are luted to the tooth\n1) Resin veneered stainless steel crown\n2) Facial cut out crown\n3) Polycarbonate crown\n4) Pedo pearls\nb) Crowns that are bonded to the tooth\n1) Strip crowns\n2) Pedo jacket crowns\n3) New millennium crowns', 'role': 'assistant'}]