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
A periapical abscess of a mandibular second molar space spreads most commonly to the 
Select and explain. 
A. Submandibular space, B. Temporal space, C. Sublingual space, D. Infra temporal space
A: Submandibular space
Answer: A: Submandibular space 
Explanation: None