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
When is an application of heated injected gutta percha potentially beneficial 
Select and explain. 
A. when there is an open apex, B. when there are aberrations or irregularities of the canal, C. when the clinician cannot master lateral condensation, D. when the canals are curved and small after preparation
B: when there are aberrations or irregularities of the canal
Answer: B: when there are aberrations or irregularities of the canal 
Explanation: None