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': 'Which of the following, if left untreated is most likely to result in periapical lesion? \nSelect and explain. \nA. Internal resorption, B. Focal reversible pulpitis, C. Acute suppurative pulpitis, D. Chronic hyperplastic pulpitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Acute pulpitis may result in formation of acute apical abscess which inturn may result in periapical granuloma or cyst and some times ending up in osteomyelitis.', 'role': 'assistant'}]