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 organisms is not frequently found
in periodontosis? 
Select and explain. 
A. Actinobacillus actinomycetemcomitans, B. Capnocytophaga, C. Mycoplasma, D. Actinomyces
D: Actinomyces
Answer: D: Actinomyces 
Explanation: None