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': 'More than normal posterior angle indicate: \nSelect and explain. \nA. Horizontal growth, B. Vertical growth, C. Sagittal growth, D. No significance', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rakosi- Jarabak analysis\nThe sum of\xa0 posterior angles i.e. the cranial base (N–S–Ar), articular (S–Ar–Go), and gonial angles (Ar–Go–Me)> 396 degrees indicates clockwise direction of growth i.e. vertical growth.\nThe sum of\xa0 posterior angles i.e. the cranial base (N–S–Ar), articular (S–Ar–Go), and gonial angles (Ar–Go–Me)< 396 degrees indicates anticlockwise direction of growth i.e. horizontal growth.', 'role': 'assistant'}]