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: Pathology
[{'content': 'A progressive increase in mandibular length and in mandibular interdental spacing in an adult patient is characteristic of: \nSelect and explain. \nA. Periodontosis, B. Hypothyroidism, C. Hyperpituitarism, D. Hypoadrenalism', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]