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 conditions could arise as a sequelae of periodontal infection? 
Select and explain. 
A. Ischemic heart disease, B. Thrombogenesis, C. Atherosclerosis, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: None