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
Oronasal intubation is not indicated in? 
Select and explain. 
A. Lefort 1 #, B. Lefort 2 and 3 #, C. Parietal bone #, D. Mandibular #
B: Lefort 2 and 3 #
Answer: B: Lefort 2 and 3 # 
Explanation: Nasal intubation is contraindicated in severe fractures of midface, nasal fracture and basilar skull fracture