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': 'Which of the following is the emergency treatment of\nchoice in case of traumatic injury to tooth? \nSelect and explain. \nA. Full veneer crown preparation with stainless steel crown, B. A Stainless steel or preformed orthodontic band around the tooth, C. An Acid etched composite restoration, D. A Pin retained composite restoration', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]