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
Your patient is 4 years old. The maxillary right primary central incisor was traumatically avulsed 60 minutes ago. What is the treatment of choice? 
Select and explain. 
A. Replant, splint, primary endo, B. Replant, splint, formocresol pulpotomy, C. Replant, no splint, primary endo, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: Replanting primary teeth has a poor prognosis, but could be considered if within 30 minutes. A primary tooth that is replanted will likely require splinting. The patient should be placed on antibiotics, restricted to a soft diet, and have a primary endodontic procedure accomplished.