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': 'Incomplete overbite is: \nSelect and explain. \nA. Open bite, B. Deep overbite, C. Overbite with no overjet, D. Overjet with no overbite', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]