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': 'Most aggressive type of cyst Which causes hollowing of mandible: \nSelect and explain. \nA. OKC, B. Dentigerous cyst, C. Nasopalatine cyst., D. Globulomaxillary cyst', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dentigerous cyst is potentially capable of becoming an aggressive lesion, with considerable bone expansion, facial asymmetry, hollowing out of the entire ramus upto the coronoid process or condyle. Moreover the epithelium of the dentigerous cysts is pluripotential, and can give rise to ametobtastoma, epidermoid carcinoma or the rnucoepidermoid carcinoma.\xa0 while OKC has tendency to grow along the internal aspect of jaw causing minimal expansion.', 'role': 'assistant'}]