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': 'Children in the primary dentition most often present with \nSelect and explain. \nA. An increased overbite, B. A decreased overbite, C. An ideal overbite, D. A significant open bite', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Young children often present with minimal overbite or anterior edge-to-edge relationship. Habits such as thumb-sucking increase the likelihood that less overbite will be present.', 'role': 'assistant'}]