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': 'Periodontal pack is least successful in the management of? \nSelect and explain. \nA. Splinting, B. Antimicrobial Properties, C. Hemostasis, D. Pain elimination', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]