This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Radiology
[{'content': 'This special investigation is known as: \nSelect and explain. \nA. CBCT, B. Scanogram, C. Orthopantomogram, D. Stenvers view', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C OrthopantomogramIt is a panoramic or wide view radiograph of the lower face or dental skeleton. Apart from pathologies of teeth it is also used to study the temporomandibular joint.', 'role': 'assistant'}]