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
Which of the following condition indicate periodontal rather an endodontic lesion? 
Select and explain. 
A. Acute pain on vertical percussion with no swelling, B. Pain to lateral percussion with wide sulcular pocket, C. A deep narrow sulcular pocket to the apex with exudates, D. Pain to palpation of the buccal mucosa near the tooth apex
B: Pain to lateral percussion with wide sulcular pocket
Answer: B: Pain to lateral percussion with wide sulcular pocket 
Explanation: None