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
Closed bite is seen in which type of malocclusion? 
Select and explain. 
A. Class I, B. Class II div I, C. Class II div 2, D. Class III
C: Class II div 2
Answer: C: Class II div 2 
Explanation: The term ‘closed bite’ or ‘deep bite’ describes a condition of excessive overbite, where the vertical measurement between the maxillary and mandibular incisal margins is excessive when the mandible is brought into habitual or centric occlusion. It is the main finding of Class II div 2. 
Key Concept:
Deep bite may present in any type of malocclusion, but in class II div 2, deep bite is pathognomonic.