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: Surgery
[{'content': 'Structure arising from the apex of infected non vital tooth is \nSelect and explain. \nA. Dentigerous Cyst, B. Odontogenic Keratocysts, C. Radicular Cyst, D. Gorlin Cysts', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. Radicular CystIs the most common type of jaw cyst.Radicular cyst develops at the apex of an infected, nonvital tooth.If the tooth is removed and the cyst persists, it is called a residual cystThere is a bimodal incidence within the third and sixth decades of life and they are rarely seen in the primary dentition.Usually presents as a radiolucent lesion around the apex ofa tooth root.', 'role': 'assistant'}]