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: Surgery
[{'content': 'Decidous roots which cannot be grasped with forceps are removed by using: \nSelect and explain. \nA. Potts elevator, B. Miller elevator, C. Warwick James elevator, D. Apex elevator', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The deciduous roots which cannot be grasped with forceps are displaced towards the permanent tooth with a Warwick James elevator using bony socket wall as the fulcrum.', 'role': 'assistant'}]