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': 'Closed bite is seen in which type of malocclusion? \nSelect and explain. \nA. Class I, B. Class II div I, C. Class II div 2, D. Class III', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The term ‘closed bite’ or ‘deep bite’ describes a condition\xa0of excessive overbite, where the vertical measurement\xa0between the maxillary and mandibular incisal margins\xa0is excessive when the mandible is brought into habitual\xa0or centric occlusion. It is the main finding of Class II div 2.\xa0\nKey Concept:\nDeep bite may present in any type of malocclusion, but in class II div 2, deep bite is pathognomonic.', 'role': 'assistant'}]