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
Odontogenic pain 
Select and explain. 
A. Tooth and periodontal ligament pain, B. Bone pain, C. Soft tissue pain, D. Jaw pain
A: Tooth and periodontal ligament pain
Answer: A: Tooth and periodontal ligament pain 
Explanation: None