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': 'Most common unfavourable sequelae of serial extraction: \nSelect and explain. \nA. Disto-axial inclination of canine, B. Residual space at the extraction site, C. Mesio-axial inclination of second premolar, D. Increase in overbite', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Early extraction of the buccal teeth and uprighting of incisors can result in deepening of the bite. This can be corrected with bite plane.\nRef: textbook of orthodontics gowrishankar 2nd edition page 533', 'role': 'assistant'}]