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': 'A 5-year old patient with normal posterior occlusion and arch length is sufficient. Midline diastema with rotated teeth is present. Flow do you manage? \nSelect and explain. \nA. Frenectomy, B. Fixed appliance, C. Check for supernumerary teeth, D. It is normal feature of this age', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]